☄️ Antigone (asteroide 129)
Antigone (asteroid 129) today: 3.977 AU from Earth (595.0 million km), heliocentric distance 3.091 AU, orbital period 4.858 years. Computed via Kepler solver with JPL SBDB osculating elements.
Position now (2026-04-29 07:27 UTC)
| Heliocentric distance: | 3.0906 AU |
| Geocentric distance: | 3.9773 AU (595.0 million km) |
| Geocentric ecliptic longitude: | 15.491° |
| Geocentric ecliptic latitude: | -7.568° |
| RA J2000 (approximate): | 17.178° |
| Dec J2000 (approximate): | -0.890° |
| True anomaly: | 122.365° |
Orbital elements (Keplerian)
| Semi-major axis (a): | 2.8683 AU |
| Eccentricity (e): | 0.21307 |
| Inclination (i): | 12.270° |
| Long. ascending node (Omega): | 135.654° |
| Argument of perihelion (omega): | 110.531° |
| Mean anomaly at epoch (M0): | 67.635° |
| Osculation epoch (JD): | 2461000.5 |
| Orbital period: | 4.858 years |
About Antigone
IAU designation: 129 Antigone. Estimated diameter: 135.36 km. Absolute magnitude H: 7.02.
Asteroide do cinturao principal. Detectavel com telescopio amador.
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.