(1838) Ursa Outer Main-belt Asteroid
Discovered on 20 October 1971 by P. Wild at Zimmerwald.
👶 Ursa as a baby name🐶 Ursa as a dog name
Where Ursa is today
Seen from above the solar system on 2026-10-14: Ursa is 3.24 au from the Sun and 4.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1838 |
| Provisional designation | 1971 UC |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 40.1 km (#972 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0570 |
| Rotation period | 16.2 hours |
| Absolute magnitude (H) | 10.85 |
| Orbital period | 5.76 years |
| Semi-major axis | 3.21 au |
| Perihelion – aphelion | 3.19 – 3.24 au |
| Eccentricity | 0.00895 |
| Inclination | 22.0° |
| Closest distance between its orbit and Earth's (MOID) | 2.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 October 1971
More named asteroids discovered by P. Wild
- (1657) Roemera
- (1687) Glarona
- (1748) Mauderli
- (1768) Appenzella
- (1773) Rumpelstilz
- (1775) Zimmerwald
- (1803) Zwicky
- (1830) Pogson
- (1831) Nicholson
- (1839) Ragazza
- (1844) Susilva
- (1845) Helewalda
← (1837) Osita · (1839) Ragazza →