☄️ Eunomia (asteroide 15)

Eunomia (asteroid 15) today: 2.286 AU from Earth (342.0 million km), heliocentric distance 3.091 AU, orbital period 4.295 years. Computed via Kepler solver with JPL SBDB osculating elements.

Diameter 231.7 km Discovered 1851 Period 4.295 years Class belt

Position now (2026-04-29 08:58 UTC)

Heliocentric distance:3.0914 AU
Geocentric distance:2.2859 AU (342.0 million km)
Geocentric ecliptic longitude:177.504°
Geocentric ecliptic latitude:-15.620°
RA J2000 (approximate):171.397°
Dec J2000 (approximate):-13.318°
True anomaly:159.113°

Orbital elements (Keplerian)

Semi-major axis (a):2.6422 AU
Eccentricity (e):0.18778
Inclination (i):11.761°
Long. ascending node (Omega):292.881°
Argument of perihelion (omega):98.507°
Mean anomaly at epoch (M0):113.726°
Osculation epoch (JD):2461000.5
Orbital period:4.295 years

About Eunomia

Discovered in 1851 by Annibale de Gasparis. IAU designation: 15 Eunomia. Estimated diameter: 231.7 km. Absolute magnitude H: 5.43.

Maior asteroide tipo S, lider da familia Eunomia.

Limitation

Osculating elements are from epoch 2461000.5 JD. Keplerian propagation ignores perturbations (especially Jupiter for belt asteroids). For precision beyond months, consult JPL Horizons.

See all asteroids, methodology, precision.