📋 Payload JSON (raw engine output)
{
"engine": {
"name": "OC Scientific Lunar Engine",
"version": "2.0.0",
"ephemeris_model": "OCSE-Lite-2026A",
"ephemeris_requested_mode": "de440",
"ephemeris_fallback": null,
"reference_frame": "ICRF/J2000",
"observer_mode": "topocentric",
"time_scales": {
"jd_utc": 2461249.1666550925,
"jd_ut1": 2461249.1666550105,
"jd_tai": 2461249.1670833332,
"jd_tt": 2461249.1674558334,
"delta_t_seconds": 75.074584,
"delta_t_effective_seconds": 69.19109523296356,
"delta_t_input_seconds": 69,
"delta_t_mode": "auto",
"ut1_minus_utc_seconds": -0.007064522177419354,
"tai_minus_utc_seconds": 37,
"leap_seconds_default": 37
},
"uncertainty": {
"position_arcmin_typical": 5,
"rise_set_minutes_typical": 3,
"tracking_rate_arcsec_per_sec_typical": 3,
"notes": "Truncated-series approximation. Position residual ~5 arcsec at J2000, larger near kernel boundaries. Use the full DE440 path for sub-arcsec precision."
},
"methodology": {
"rise_set": "Adaptive step + bisection root-finding with dynamic threshold (upper-limb/center, dip, refraction, parallax).",
"phase": "Elongation + phase-angle photometry (k = (1 + cos(i)) / 2).",
"topocentric": "RA/Dec -> horizontal with optional refraction and parallax correction.",
"apparent_coordinates": "Low-order nutation + annual aberration correction applied to lunar apparent place."
}
},
"observer": {
"latitude_deg": 39.9625,
"longitude_deg": -83.0061,
"altitude_m": 0,
"pressure_hpa": 1013.25,
"temperature_c": 20,
"humidity_pct": 60,
"timezone": "America/New_York",
"ut1_minus_utc_seconds": 0,
"observer_mode": "topocentric",
"reference_frame": "ICRF/J2000",
"use_refraction": true,
"rise_set_disc": "upper_limb",
"rise_set_refraction_deg": 0.5667,
"event_step_seconds": 300,
"tai_minus_utc_seconds": 37,
"delta_t_mode": "auto",
"delta_t_seconds": 69,
"tracking_interval_seconds": 60,
"birth_date_iso": "",
"polar_motion_xp_arcsec": null,
"polar_motion_yp_arcsec": null,
"wavelength_nm": 550,
"refraction_model": "bennett",
"use_wgs84_parallax": true,
"ephemeris_mode": "de440",
"nutation_model": "iau2000a",
"hemisphere_override": "auto",
"calendar_system": "gregorian",
"display_mode": "standard",
"scientific_mode": true,
"with_velocity": true,
"compare_de440": true,
"include_monthly_ephemeris": false,
"frame_mode": "icrs",
"apparent_mode": "apparent",
"engine_mode": "auto",
"precession_model": "iau2006",
"aberration_model": "annual_diurnal",
"light_time_correction": true,
"shapiro_in_light_time": true,
"occultation_catalog": "hipparcos",
"occultation_vmag_max": 0,
"monte_carlo_trials": 0,
"gum_coverage_factor": 2
},
"time": {
"utc_iso": "2026-07-27T15:59:59Z",
"local_iso": "2026-07-27T11:59:59-04:00",
"local_sidereal_deg": 102.343224,
"local_sidereal_hms": "06:49:22",
"jd_utc": 2461249.1666550925,
"jd_ut1": 2461249.1666550105,
"jd_tt": 2461249.1674558334,
"delta_t_seconds": 69.19109523296356
},
"sun": {
"ra_deg": 126.987453,
"ra_hms": "08:27:57",
"dec_deg": 19.100142,
"dec_dms": "+19:06:00.51",
"lambda_deg": 124.646993,
"distance_au": 1.01545313,
"distance_km": 151909626.054
},
"moon": {
"ra_deg": 284.595023,
"ra_hms": "18:58:23",
"dec_deg": -26.595012,
"dec_dms": "-26:35:42.04",
"ra_mean_deg": 285.498271,
"ra_mean_hms": "19:02:00",
"dec_mean_deg": -22.67124,
"dec_mean_dms": "-22:40:16.46",
"ra_topocentric_deg": 284.564913,
"ra_topocentric_hms": "18:58:16",
"dec_topocentric_deg": -26.798142,
"dec_topocentric_dms": "-26:47:53.31",
"ra_astrometric_j2000_deg": 284.142949,
"ra_astrometric_j2000_hms": "18:56:34",
"dec_astrometric_j2000_deg": -26.833515,
"dec_astrometric_j2000_dms": "-26:50:00.66",
"lambda_deg": 283.051348,
"lambda_mean_deg": 284.27419,
"beta_deg": -3.815857,
"distance_km": 403851.2408414028,
"distance_earth_radii": 63.318056,
"distance_topocentric_km": 410052.1098414028,
"distance_topocentric_earth_radii": 64.290263,
"angular_diameter_arcmin": 29.5787,
"horizontal_parallax_deg": 0.904926,
"argument_of_latitude_deg": 313.1019,
"source": "DE440+Meeus-elements",
"helio_range_rate_km_s": 0.1315,
"distance_km_baseline": 403851.233,
"distance_km_with_gr": 403851.2408414028,
"distance_topocentric_km_baseline": 410052.102,
"distance_topocentric_km_with_gr": 410052.1098414028
},
"topocentric": {
"altitude_geometric_deg": -76.706883,
"altitude_apparent_deg": -76.706883,
"azimuth_deg": 351.344669,
"hour_angle_deg": 177.748201,
"refraction_deg": 0,
"polar_motion_w": {
"w_matrix": [
[
1,
-6.053977217774123e-11,
0
],
[
6.053977217774123e-11,
1,
0
],
[
0,
0,
1
]
],
"sp_arcsec": -1.2487224378485148e-5,
"xp_arcsec": 0,
"yp_arcsec": 0,
"observer_tirs_km": {
"x": 596.0798045768006,
"y": -4858.957032372495,
"z": 4074.7950520466584
},
"displacement_m": 0.00029636541221352507,
"meridional_displacement_m": 0,
"has_correction": false
},
"ecliptic_lon_deg": 283.004086,
"ecliptic_lat_deg": -4.015262
},
"phase": {
"name": "Waxing Gibbous",
"fraction_0_1": 0.44001209,
"age_days": 12.993816,
"elongation_deg": 158.085685,
"phase_angle_deg": 21.857606,
"illumination_pct": 96.405599,
"bright_limb_position_angle_deg": 254.691022,
"parallactic_angle_deg": 7.413099
},
"upcoming_primary_phases": [
{
"phase_key": "new_moon",
"phase_name": "New Moon",
"target_phase_angle_deg": 0,
"local_iso": "2026-08-12T13:36:44-04:00",
"local_label": "12/08/2026 13:36",
"utc_iso": "2026-08-12T17:36:44Z",
"approx_uncertainty_minutes": 60
},
{
"phase_key": "first_quarter",
"phase_name": "First Quarter",
"target_phase_angle_deg": 90,
"local_iso": "2026-08-19T22:46:20-04:00",
"local_label": "19/08/2026 22:46",
"utc_iso": "2026-08-20T02:46:20Z",
"approx_uncertainty_minutes": 60
},
{
"phase_key": "full_moon",
"phase_name": "Full Moon",
"target_phase_angle_deg": 180,
"local_iso": "2026-07-29T10:35:40-04:00",
"local_label": "29/07/2026 10:35",
"utc_iso": "2026-07-29T14:35:40Z",
"approx_uncertainty_minutes": 60
},
{
"phase_key": "last_quarter",
"phase_name": "Last Quarter",
"target_phase_angle_deg": 270,
"local_iso": "2026-08-05T22:21:27-04:00",
"local_label": "05/08/2026 22:21",
"utc_iso": "2026-08-06T02:21:27Z",
"approx_uncertainty_minutes": 60
}
],
"tracking_rates": {
"interval_seconds": 60,
"dra_deg_per_min": 0.009171005,
"ddec_deg_per_min": 0.001347058,
"dalt_deg_per_min": -0.026119064,
"daz_deg_per_min": 0.917981419,
"dra_arcsec_per_sec": 0.550260312,
"ddec_arcsec_per_sec": 0.08082346,
"dalt_arcsec_per_sec": -1.567143859,
"daz_arcsec_per_sec": 55.078885148
},
"anomalistic_orbit": {
"distance_km": 403851.233,
"mean_anomaly_deg": 199.843412,
"distance_from_perigee_km": 47351.233,
"distance_from_apogee_km": 2848.767,
"near_perigee_pct": 5.674835,
"near_apogee_pct": 94.325165,
"orbital_trend": "approaching_perigee",
"position_label": "near_apogee",
"supermoon_candidate": false,
"perigee_reference_km": 356500,
"apogee_reference_km": 406700
},
"orientation": {
"colongitude_deg": 248.404354,
"libration_longitude_deg_approx": -1.009913,
"libration_latitude_deg_approx": -3.744156,
"subsolar_lon_deg_approx": -21.595646,
"subsolar_lat_deg_approx": 3.815857,
"subobserver_lon_deg_approx": 158.404354,
"subobserver_lat_deg_approx": 1.907929
},
"apparent_corrections": {
"nutation_longitude_deg": 0.002605726,
"nutation_obliquity_deg": 0.002145231,
"annual_aberration_longitude_deg": 0.005270686,
"true_obliquity_deg": 23.437968056,
"annual_aberration_eccentricity_term_omitted": false,
"annual_aberration_constant_arcsec": 20.49552,
"diurnal_aberration_max_arcsec": 0.24526879440676563
},
"events": {
"moonrise_local": "20:04:13",
"moonset_local": "04:08:04",
"transit_local": "23:59:59",
"transit_altitude_deg": 23.312776,
"transit_method": "culmination_max_altitude",
"transit_local_sidereal_deg": 282.831883,
"transit_local_sidereal_hms": "18:51:20",
"event_timezone": "America/New_York",
"rise_set_status": "normal",
"rise_set_method": "adaptive-scan+binary-root",
"horizon_threshold_deg": 0.090491,
"horizon_components": {
"disc_mode": "upper_limb",
"semi_diameter_deg": 0.246489,
"dip_deg": 0,
"refraction_deg": 0.5667,
"parallax_deg": 0.903681
}
},
"tides": {
"coefficient_0_100_approx": 96,
"regime": "syzygy",
"classification_source": "spring-neap approximation from synodic geometry"
},
"multicultural_calendars": {
"jd": 2461248.5,
"gregorian": "2026-07-27",
"julian": "2026-07-14",
"hijri": {
"year": 1448,
"month": 2,
"day": 11,
"month_name": "Safar",
"iso": "1448-02-11 AH"
},
"hebrew": {
"year": 5786,
"month": 5,
"day": 13,
"month_name": "Av",
"iso": "5786-05-13 AM"
},
"chinese": {
"year": 2026,
"is_simplified": true,
"cycle60_year": "Bǐng-Wǔ",
"stem": "Bǐng",
"branch": "Wǔ",
"zodiac": "Horse",
"lunar_month": 6,
"lunar_day": 13,
"iso": "2026 (Horse) Month 6, day 13"
}
},
"folk_names": {
"full_moon_of_month": {
"name": "Buck Moon",
"name_en": "Buck Moon",
"name_pt_br": "Lua do Cervo",
"origin": "Algonquin",
"meaning": "Bucks grow new antlers in July.",
"meaning_pt_br": "Chifres dos cervos crescem em julho.",
"season_north": "Summer",
"season_south": "Winter",
"month": 7
},
"new_moon_of_month": {
"name": "New Moon",
"name_en": "New Moon",
"name_pt_br": "Lua Nova",
"origin": "-",
"meaning": "New Moon does not receive a standard folk name (except Black Moon).",
"meaning_pt_br": "Nova Lua não recebe nome folclórico padrão (exceto Lua Negra).",
"month": 7
},
"tupi_guarani": {
"term": "Jacy",
"phase_input": "Waxing Gibbous"
}
},
"kinematics": {
"orbital_velocity_km_s": 0.968,
"orbital_velocity_km_h": 3484.9,
"distance_km_used": 403851.2,
"travel_times": {
"foot": {
"vehicle": "Walking (5 km/h)",
"speed_kmh": 5,
"travel_hours": 80770.24655494289,
"travel_human": "9.2 years"
},
"bike": {
"vehicle": "By bicycle (20 km/h)",
"speed_kmh": 20,
"travel_hours": 20192.561638735722,
"travel_human": "2.3 years"
},
"car": {
"vehicle": "By car (100 km/h)",
"speed_kmh": 100,
"travel_hours": 4038.5123277471444,
"travel_human": "168.3 days"
},
"plane": {
"vehicle": "Commercial aircraft (900 km/h)",
"speed_kmh": 900,
"travel_hours": 448.7235919719049,
"travel_human": "18.7 days"
},
"concorde": {
"vehicle": "Concorde (2180 km/h)",
"speed_kmh": 2180,
"travel_hours": 185.25285907096992,
"travel_human": "7.7 days"
},
"sr71": {
"vehicle": "SR-71 Blackbird (3540 km/h)",
"speed_kmh": 3540,
"travel_hours": 114.08226914539955,
"travel_human": "4.8 days"
},
"apollo": {
"vehicle": "Apollo 11 (~5050 km/h avg)",
"speed_kmh": 5050,
"travel_hours": 79.9705411435078,
"travel_human": "3.3 days"
},
"iss": {
"vehicle": "ISS (27600 km/h)",
"speed_kmh": 27600,
"travel_hours": 14.632291042562116,
"travel_human": "14.6 h"
},
"parker": {
"vehicle": "Parker Solar Probe (635266 km/h)",
"speed_kmh": 635266,
"travel_hours": 0.6357198917850387,
"travel_human": "38.1 min"
},
"light": {
"vehicle": "Speed of light (1.08e9 km/h)",
"speed_kmh": 1079252848,
"travel_hours": 0.0003741951976528066,
"travel_human": "1.35 s"
}
},
"light_travel_seconds": 1.3471000261561041,
"light_travel_seconds_baseline": 1.3471,
"light_travel_seconds_with_gr": 1.3471000261561041
},
"equation_of_time": {
"minutes": -6.5491,
"total_seconds": -392.94,
"human": "−6m 33s",
"sundial_offset": 6.5491
},
"extras": {
"next_blue_moon": {
"utc_iso": "2028-12-31T16:48:18Z",
"local_iso": "2028-12-31 11:48:18",
"month": 12,
"year": 2028,
"tz": "America/New_York"
},
"next_black_moon": {
"utc_iso": "2027-08-31T17:41:06Z",
"local_iso": "2027-08-31 13:41:06",
"month": 8,
"year": 2027,
"tz": "America/New_York"
},
"lunar_standstill": {
"cycle_years": 18.6125,
"next_major_year": 2043.46,
"next_minor_year": 2034.16,
"last_major_year": 2024.85,
"declination_amplitude_deg_major": 28.5,
"declination_amplitude_deg_minor": 18.3
}
},
"birth_date_metrics": null,
"scientific": {
"engine_mode": "auto",
"apparent_mode": "apparent",
"frame_mode": "icrs",
"nutation_model": "iau2000a",
"precession_model": "iau2006",
"aberration_model": "annual_diurnal",
"frame_bias_matrix_B": [
[
0.9999999999999942,
-7.0782797442e-8,
8.056148939e-8
],
[
7.0782794779e-8,
0.999999999999997,
3.3060414542e-8
],
[
-8.056149173e-8,
-3.306040884e-8,
0.9999999999999962
]
],
"precession_matrix_P": [
[
0.9999790186503805,
-0.0059412674121831315,
-0.002581395079911239
],
[
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-7.635628633749e-6
],
[
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]
],
"nutation_matrix_N": [
[
0.9999999989658528,
4.1726808072651e-5,
1.8087784792817e-5
],
[
-4.1726130812363e-5,
0.9999999984285237,
-3.744172511877e-5
],
[
-1.8089347088071e-5,
3.7440970346747e-5,
0.9999999991354747
]
],
"npb_matrix": [
[
0.9999793120070108,
-0.005899612170312612,
-0.0025632273065433293
],
[
0.005899516365562957,
0.9999825966922675,
-4.4935982254769e-5
],
[
0.00256344780277752,
2.9813251175845e-5,
0.9999967139178672
]
],
"state_vector_icrs": {
"position_km_x": 88470.001374,
"position_km_y": -350004.23373,
"position_km_z": -181013.572535,
"velocity_km_s_x": 0.947392692,
"velocity_km_s_y": 0.184885871,
"velocity_km_s_z": 0.147484244,
"reference_epoch": "J2000.0",
"frame": "ICRS"
},
"uncertainty_budget": {
"ephemeris_arcsec_1sigma": 5,
"nutation_arcsec_1sigma": 0.001,
"precession_arcsec_1sigma": 0.05,
"frame_bias_arcsec_1sigma": 0.025,
"aberration_arcsec_1sigma": 0.0005,
"parallax_arcsec_1sigma": 0.1,
"refraction_arcsec_1sigma": 5,
"polar_motion_arcsec_1sigma": 0.3,
"delta_t_arcsec_1sigma": 0.5,
"rss_total_arcsec_1sigma": 7.095994,
"distance_km_1sigma": 50
},
"de440_comparison": {
"lite_ra_deg": 284.173801,
"lite_dec_deg": -26.630459,
"lite_distance_km": 403851.233,
"de440_ra_deg": 284.17981,
"de440_dec_deg": -26.629935,
"de440_distance_km": 403851.233,
"delta_ra_arcsec": -21.633,
"delta_dec_arcsec": -1.8866,
"delta_distance_km": 0,
"delta_total_arcsec": 21.7152,
"within_envelope": true,
"envelope_arcsec": 60,
"frame": "ICRS J2000.0"
},
"eclipse_imminence": {
"group": "solar",
"subtype": "total",
"type": "total",
"when_utc": "2026-08-12T17:46:07Z",
"magnitude": 1.0417,
"gamma": 0.8977,
"central_duration_s": 140.2,
"subpoint_lat_deg": 65.2089,
"subpoint_lon_deg": -25.2055,
"days_until": 16.074,
"l1": 0.5372,
"l2": -0.00891,
"sun_distance_au": 1.013291,
"moon_distance_km": 366974.7,
"visible_from_observer": null,
"note": "Total solar eclipse: umbra cone reaches Earth surface (mag>1)."
},
"provenance": {
"algorithms": {
"lunar_position": "Chapront-Touze & Chapront 1988 (ELP-2000/82B truncated)",
"planetary": "Bretagnon & Francou 1988 (VSOP87D)",
"nutation": "IAU 2000A (Mathews, Herring & Buffett 2002 / IERS Conventions 2010, 1365 luni-solar + 687 planetary terms)",
"precession": "Capitaine, Wallace & Chapront 2003 (IAU 2006 P03)",
"frame_bias": "IERS Conventions 2010, B matrix (xi_0, eta_0, da_0)",
"delta_t": "Espenak & Meeus 2006 polynomial",
"aberration": "Annual + diurnal aberration (Kaplan 2005)",
"refraction": "Bennett 1982 (default) / Saemundsson 1986 (optional), wavelength reference 590 nm",
"topocentric": "WGS84 ellipsoid + horizontal parallax"
},
"data_sources": {
"iers": "IERS Conventions 2010; Bulletin A (UT1-UTC, polar motion) accepted as manual override",
"iau": "IAU SOFA / NOFA",
"jpl": "JPL Planetary and Lunar Ephemerides DE440 (Park et al. 2021)"
},
"engine_caveat": "Lite engine: truncated series with documented residuals (~5 arcsec position, ~50 km distance).",
"inputs": {
"date": {
"value": "2026-07-27",
"default_used": true,
"unit": "ISO 8601 date",
"sanitization": "regex YYYY-MM-DD + clamp year [1700, 9000]"
},
"time": {
"value": "12:00:00",
"default_used": true,
"unit": "ISO 8601 time HH:MM",
"sanitization": "regex \\d{2}:\\d{2}"
},
"tz": {
"value": "America/New_York",
"default_used": true,
"unit": "IANA timezone",
"sanitization": "string trim, fallback America/Sao_Paulo"
},
"jd_input": {
"value": null,
"default_used": true,
"unit": "Julian Date",
"sanitization": "is_finite, range [1721057.5, 2500000.5]"
},
"mjd_input": {
"value": null,
"default_used": true,
"unit": "Modified Julian Date",
"sanitization": "is_finite, range [-179000, 100000]"
},
"jd_tt_input": {
"value": null,
"default_used": true,
"unit": "Julian Date in TT scale",
"sanitization": "is_finite"
},
"jd_ut1_input": {
"value": null,
"default_used": true,
"unit": "Julian Date in UT1 scale",
"sanitization": "is_finite"
},
"jd_tai_input": {
"value": null,
"default_used": true,
"unit": "Julian Date in TAI scale",
"sanitization": "is_finite"
},
"cjd_input": {
"value": null,
"default_used": true,
"unit": "Chronological Julian Date",
"sanitization": "is_finite"
},
"lat": {
"value": 39.9625,
"default_used": true,
"unit": "degrees",
"sanitization": "clamp [-90, 90]"
},
"lon": {
"value": -83.0061,
"default_used": true,
"unit": "degrees",
"sanitization": "clamp [-180, 180]"
},
"alt": {
"value": 0,
"default_used": true,
"unit": "metres above WGS84",
"sanitization": "clamp [-430, 12000]"
},
"pressure": {
"value": 1013.25,
"default_used": true,
"unit": "hPa",
"sanitization": "is_finite"
},
"temp": {
"value": 20,
"default_used": true,
"unit": "degrees Celsius",
"sanitization": "is_finite"
},
"humidity": {
"value": 60,
"default_used": true,
"unit": "percent relative humidity",
"sanitization": "is_finite"
},
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"unit": "enum",
"sanitization": "enum LunarRetroreflectors::REFLECTORS or com"
},
"frame": {
"value": "ICRF/J2000",
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"unit": "reference frame label",
"sanitization": "string trim"
},
"refraction": {
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"unit": "boolean",
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},
"rise_disc": {
"value": "upper_limb",
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"unit": "enum",
"sanitization": "enum {upper_limb, center}"
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"rise_refraction": {
"value": 0.5667,
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},
"refraction_model": {
"value": "bennett",
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},
"elev_cutoff_deg": {
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"unit": "degrees",
"sanitization": "clamp [-90, 90]"
},
"airmass_max": {
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"default_used": true,
"unit": "airmass dimensionless",
"sanitization": "clamp [1, 100]"
},
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},
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"unit": "degrees",
"sanitization": "clamp [0, 180], swap if < min"
},
"lha_cutoff_deg": {
"value": 180,
"default_used": true,
"unit": "degrees",
"sanitization": "clamp [0, 180]"
},
"skip_daylight": {
"value": false,
"default_used": true,
"unit": "boolean",
"sanitization": "enum {0, 1}"
},
"magnitude_max": {
"value": 99,
"default_used": true,
"unit": "magnitudes V band",
"sanitization": "clamp [-30, 99]"
},
"extra_precision": {
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},
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},
"csv_format": {
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},
"event_step": {
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"default_used": true,
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"sanitization": "clamp [60, 3600]"
},
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"value": 60,
"default_used": true,
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},
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},
"tai_utc": {
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},
"dt_mode": {
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"sanitization": "enum {auto, manual}"
},
"dt_seconds": {
"value": 69,
"default_used": true,
"unit": "seconds",
"sanitization": "is_finite"
},
"time_scale_output": {
"value": [
"UTC"
],
"default_used": true,
"unit": "array of enum",
"sanitization": "array intersect {TT,TAI,UTC,UT1,TDB,TCG,TCB,TCL,GPS}"
},
"engine_mode": {
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"unit": "enum",
"sanitization": "enum {lite, de440, auto}"
},
"apparent_mode": {
"value": "apparent",
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},
"nutation_model": {
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"unit": "enum",
"sanitization": "enum {iau1980_eq, iau2000a, iau2000b}"
},
"precession_model": {
"value": "iau2006",
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"unit": "enum",
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},
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},
"monte_carlo_trials": {
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"unit": "count",
"sanitization": "enum {0, 10000, 100000, 1000000}"
},
"gum_coverage_factor": {
"value": 2,
"default_used": true,
"unit": "k coverage factor",
"sanitization": "enum {1, 2, 3}"
},
"ephemeris_selector": {
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"unit": "enum",
"sanitization": "enum {de440, de441, inpop21a, epm2021}"
},
"light_time_correction": {
"value": true,
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"unit": "boolean",
"sanitization": "enum {0, 1, on}"
},
"with_velocity": {
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},
"compare_de440": {
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"unit": "boolean",
"sanitization": "enum {0, 1, on}"
},
"wavelength_nm": {
"value": 550,
"default_used": true,
"unit": "nanometres",
"sanitization": "clamp [300, 1100]"
},
"polar_motion_xp_arcsec": {
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},
"polar_motion_yp_arcsec": {
"value": 0,
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"unit": "arcseconds",
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},
"solid_earth_tide_model": {
"value": "iers2010_step1_step2",
"default_used": true,
"unit": "enum",
"sanitization": "enum {iers2010_step1_step2, iers2003, iers1996, off}"
},
"ocean_loading_model": {
"value": "fes2014b",
"default_used": true,
"unit": "enum",
"sanitization": "enum {fes2014b, fes2022, tpxo9, got4_10c, off}"
},
"pole_tide_model": {
"value": true,
"default_used": true,
"unit": "boolean",
"sanitization": "enum {0, 1, on}"
},
"ocean_pole_tide": {
"value": true,
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"unit": "boolean",
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},
"atmospheric_pressure_loading": {
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},
"hydrological_loading": {
"value": false,
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},
"output_angle_format": {
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"unit": "enum",
"sanitization": "enum {decimal, sexagesimal}"
},
"output_unit_distance": {
"value": "km",
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"sanitization": "enum {km, au, earth_radii, thousand_km}"
},
"output_frame": {
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"sanitization": "enum {mean_of_date, true_of_date, j2000, icrs}"
},
"birth_date": {
"value": "",
"default_used": true,
"unit": "ISO 8601 date",
"sanitization": "regex YYYY-MM-DD or empty"
},
"calendar_system": {
"value": "gregorian",
"default_used": true,
"unit": "enum",
"sanitization": "enum {gregorian, julian}"
},
"hemisphere": {
"value": "auto",
"default_used": true,
"unit": "enum",
"sanitization": "enum {auto, north, south}"
},
"show_formulas": {
"value": false,
"default_used": true,
"unit": "boolean",
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},
"language": {
"value": "pt_br",
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"unit": "enum",
"sanitization": "enum {pt_br, en, es}"
},
"earth_rotation_model": {
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},
"frame_origin": {
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"sanitization": "enum {geocentric, topocentric, barycentric, heliocentric}"
},
"frame_epoch": {
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"unit": "enum",
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},
"frame_version": {
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"sanitization": "enum {FK4, FK5, ICRS, ITRS}"
},
"frame_correction": {
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},
"geoid_correction": {
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},
"ellipsoid_flattening_override": {
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"unit": "dimensionless 1/f override",
"sanitization": "is_finite or null"
},
"catalog_choice": {
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},
"eclipse_search_window_days": {
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},
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},
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},
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},
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"default_used": true,
"unit": "inverse years",
"sanitization": "clamp [-1e-11, 1e-11]"
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},
"m_g_eV": {
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"default_used": true,
"unit": "electron volts",
"sanitization": "clamp [0, 1e-15]"
},
"sme_s_xx": {
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"unit": "dimensionless SME tensor",
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},
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},
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"unit": "boolean",
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},
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"unit": "inverse metres squared",
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}
}
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{
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{
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"distance_km": 385214.109,
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},
{
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"distance_km": 381412.295,
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},
{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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]
},
"shapiro_in_pipeline": true,
"shapiro_in_pipeline_meta": {
"shapiro_extra_seconds_earth": 1.2318409885734596e-10,
"shapiro_extra_ns_earth": 0.12318409885734596,
"note": "Earth-Shapiro term injected into the final iteration of the light-time fixed-point loop. Solar term is left to the post-hoc layer."
},
"input_adjustments": [],
"gr_corrections_applied": {
"shapiro_extra_delay_ns": 26.279288376222578,
"shapiro_extra_delay_s": 2.627928837622258e-8,
"pipeline_applied": true,
"pipeline_earth_term_ns": 0.12318409885734596,
"residual_extra_ns": 26.15610427736523,
"residual_extra_s": 2.6156104277365233e-8,
"delta_distance_km": 0.007841402793015637,
"delta_distance_m": 7.841402793015637,
"note": "Earth-Shapiro term already absorbed by the engine light-time loop; only the solar (residual) term applied here to avoid double-counting.",
"residual_vector": {
"applied_to_position": false,
"status": "below_precision",
"time_since_j2000_s": 838440000,
"time_since_j2000_yr": 26.568560346794435,
"galactic_tide": {
"acceleration_m_s2": 6.782581570374105e-22,
"delta_meters": 0.00023840151361834207,
"delta_x_m": -1.3088243097646978e-5,
"delta_y_m": -0.0002081006812374508,
"delta_z_m": -0.00011560089395353407,
"direction_unit_icrs": [
-0.0549,
-0.8729,
-0.4849
],
"direction_label": "toward_galactic_center_sgr_a"
},
"yarkovsky": {
"acceleration_m_s2": 7.393377004924752e-19,
"delta_meters": 0.25987041223713386,
"delta_x_m": 0.058554921951469156,
"delta_y_m": -0.22487588555635665,
"delta_z_m": -0.11633910936052265,
"direction_label": "radial_along_earth_moon_line"
},
"total_magnitude_m": 0.2600993016042105,
"note": "INFORMATIONAL ONLY (not applied to the lunar position since 2026-07-17). Residual perturbation magnitudes from galactic tide (Sgr A* gradient) and lunar Yarkovsky thermal recoil under the (invalid for bound orbits) constant-acceleration extrapolation Delta r = (1/2) a (t - J2000)^2. The galactic tide is differential (Earth and Moon free-fall together, so the absolute term cancels) and both contributions sit far below the LLR detection floor; they are not part of the DE440 or ELP baseline series."
}
},
"_meta": {
"reproducibility_id_short": "lunar-20260727-0000-tzutc-lat0-lon0-ocscientificlunarenginev2.0.0-ofdate-iau1980-iau1976",
"reproducibility_id_full": "lunar-20260727-0000-tzutc-lat0-lon0-ocscientificlunarenginev2.0.0-ofdate-iau1980-iau1976",
"permalink": "https://www.ocalendario.com.br/calculadora-lunar-cientifica",
"generated_at_utc": "2026-07-27T17:02:35+00:00"
},
"_inputs": []
}
