☄️ Protogeneia (asteroide 147)
Protogeneia (asteroid 147) today: 3.839 AU from Earth (574.3 million km), heliocentric distance 3.068 AU, orbital period 5.557 years. Computed via Kepler solver with JPL SBDB osculating elements.
Position now (2026-04-29 07:29 UTC)
| Heliocentric distance: | 3.0682 AU |
| Geocentric distance: | 3.8390 AU (574.3 million km) |
| Geocentric ecliptic longitude: | 4.105° |
| Geocentric ecliptic latitude: | 1.492° |
| RA J2000 (approximate): | 3.174° |
| Dec J2000 (approximate): | 3.000° |
| True anomaly: | 1.513° |
Orbital elements (Keplerian)
| Semi-major axis (a): | 3.1372 AU |
| Eccentricity (e): | 0.02202 |
| Inclination (i): | 1.933° |
| Long. ascending node (Omega): | 248.204° |
| Argument of perihelion (omega): | 103.549° |
| Mean anomaly at epoch (M0): | 333.191° |
| Osculation epoch (JD): | 2461000.5 |
| Orbital period: | 5.557 years |
About Protogeneia
IAU designation: 147 Protogeneia. Estimated diameter: 61.87 km. Absolute magnitude H: 8.72.
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.