(949) Hel Main-belt Asteroid
Discovered on 11 March 1921 by M. F. Wolf at Heidelberg.
Where Hel is today
Seen from above the solar system on 2026-10-14: Hel is 2.99 au from the Sun and 2.76 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 949 |
| Provisional designation | A921 EM |
| Orbit class | Main-belt Asteroid |
| Diameter | 63.5 km (#542 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Rotation period | 16.4 hours |
| Absolute magnitude (H) | 9.79 |
| Orbital period | 5.19 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.40 – 3.60 au |
| Eccentricity | 0.200 |
| Inclination | 10.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by M. F. Wolf
- (323) Brucia
- (325) Heidelberga
- (328) Gudrun
- (329) Svea
- (330) Adalberta
- (332) Siri
- (333) Badenia
- (334) Chicago
- (339) Dorothea
- (340) Eduarda
- (341) California
- (342) Endymion
← (948) Jucunda · (950) Ahrensa →