(1131) Porzia Mars-crossing Asteroid
Discovered on 10 September 1929 by K. Reinmuth at Heidelberg.
Where Porzia is today
Seen from above the solar system on 2026-10-14: Porzia is 2.20 au from the Sun and 2.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1131 |
| Provisional designation | 1929 RO |
| Orbit class | Mars-crossing Asteroid |
| Rotation period | 4.66 hours |
| Spectral type | S |
| Absolute magnitude (H) | 12.95 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.59 – 2.86 au |
| Eccentricity | 0.286 |
| Inclination | 3.23° |
| Closest distance between its orbit and Earth's (MOID) | 0.588 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by K. Reinmuth
- (796) Sarita
- (799) Gudula
- (864) Aase
- (909) Ulla
- (910) Anneliese
- (911) Agamemnon
- (913) Otila
- (918) Itha
- (920) Rogeria
- (921) Jovita
- (922) Schlutia
- (923) Herluga
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