(2154) Underhill Main-belt Asteroid
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Where Underhill is today
Seen from above the solar system on 2026-10-14: Underhill is 2.51 au from the Sun and 3.51 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2154 |
| Provisional designation | 2015 P-L |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.5 km (#3,886 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0680 |
| Absolute magnitude (H) | 13.24 |
| Orbital period | 4.28 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.30 – 2.97 au |
| Eccentricity | 0.126 |
| Inclination | 7.74° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 September 1960
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1846) Bengt
- (1868) Thersites
More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.
- (1743) Schmidt
- (1744) Harriet
- (1776) Kuiper
- (1777) Gehrels
- (1778) Alfven
- (1795) Woltjer
- (1808) Bellerophon
- (1809) Prometheus
- (1810) Epimetheus
- (1811) Bruwer
- (1812) Gilgamesh
- (1813) Imhotep
← (2153) Akiyama · (2155) Wodan →