(3549) Hapke Main-belt Asteroid
Discovered on 30 December 1981 by E. Bowell at Anderson Mesa.
Where Hapke is today
Seen from above the solar system on 2026-10-14: Hapke is 3.02 au from the Sun and 2.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3549 |
| Provisional designation | 1981 YH |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.13 km (#5,662 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.260 |
| Rotation period | 7.07 hours |
| Absolute magnitude (H) | 12.62 |
| Orbital period | 4.59 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 2.30 – 3.22 au |
| Eccentricity | 0.167 |
| Inclination | 7.52° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 December 1981
More named asteroids discovered by E. Bowell
- (2246) Bowell
- (2264) Sabrina
- (2270) Yazhi
- (2316) Jo-Ann
- (2356) Hirons
- (2357) Phereclos
- (2383) Bradley
- (2409) Chapman
- (2410) Morrison
- (2411) Zellner
- (2421) Nininger
- (2432) Soomana
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