(947) Monterosa Main-belt Asteroid
Discovered on 8 February 1921 by A. Schwassmann at Bergedorf.
Where Monterosa is today
Seen from above the solar system on 2026-10-14: Monterosa is 3.35 au from the Sun and 4.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 947 |
| Provisional designation | A921 CC |
| Orbit class | Main-belt Asteroid |
| Diameter | 26.1 km (#1,611 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.340 |
| Rotation period | 5.16 hours |
| Absolute magnitude (H) | 10.03 |
| Orbital period | 4.56 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.07 – 3.44 au |
| Eccentricity | 0.249 |
| Inclination | 6.69° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. Schwassmann
- (454) Mathesis
- (905) Universitas
- (906) Repsolda
- (912) Maritima
- (989) Schwassmannia
- (1192) Prisma
- (1303) Luthera
- (1310) Villigera
← (946) Poesia · (948) Jucunda →