(909) Ulla Outer Main-belt Asteroid
Discovered on 7 February 1919 by K. Reinmuth at Heidelberg.
👶 Ulla as a baby name🐶 Ulla as a dog name
Where Ulla is today
Seen from above the solar system on 2026-10-14: Ulla is 3.87 au from the Sun and 4.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 909 |
| Provisional designation | A919 CA |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 116 km (#172 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0343 |
| Rotation period | 8.72 hours |
| Spectral type | X |
| Absolute magnitude (H) | 8.74 |
| Orbital period | 6.66 years |
| Semi-major axis | 3.54 au |
| Perihelion – aphelion | 3.21 – 3.88 au |
| Eccentricity | 0.0947 |
| Inclination | 18.8° |
| Closest distance between its orbit and Earth's (MOID) | 2.24 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
- (910) Anneliese
- (911) Agamemnon
- (913) Otila
- (918) Itha
- (920) Rogeria
- (921) Jovita
- (922) Schlutia
- (923) Herluga
- (924) Toni
← (908) Buda · (910) Anneliese →