☄️ Siwa (asteroide 140)
Siwa (asteroid 140) today: 2.320 AU from Earth (347.0 million km), heliocentric distance 2.984 AU, orbital period 4.512 years. Computed via Kepler solver with JPL SBDB osculating elements.
Position now (2026-04-29 08:45 UTC)
| Heliocentric distance: | 2.9837 AU |
| Geocentric distance: | 2.3198 AU (347.0 million km) |
| Geocentric ecliptic longitude: | 161.600° |
| Geocentric ecliptic latitude: | 3.884° |
| RA J2000 (approximate): | 164.531° |
| Dec J2000 (approximate): | 10.801° |
| True anomaly: | -126.069° |
Orbital elements (Keplerian)
| Semi-major axis (a): | 2.7306 AU |
| Eccentricity (e): | 0.21795 |
| Inclination (i): | 3.191° |
| Long. ascending node (Omega): | 107.076° |
| Argument of perihelion (omega): | 197.173° |
| Mean anomaly at epoch (M0): | 221.313° |
| Osculation epoch (JD): | 2461000.5 |
| Orbital period: | 4.512 years |
About Siwa
IAU designation: 140 Siwa. Estimated diameter: 70.06 km. Absolute magnitude H: 8.45.
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.