(154378) Hennessy Main-belt Asteroid
Discovered on 14 December 2002 by Sloan Digital Sky Survey at Apache Point.
Gregory Hennessy (b. 1963) is an American astronomer and a contributor to the Sloan Digital Sky Survey's astrometric pipeline.Naming citation (20120406/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Hennessy as a baby name🐶 Hennessy as a dog name
Where Hennessy is today
Seen from above the solar system on 2026-10-14: Hennessy is 2.27 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 154378 |
| Provisional designation | 2002 XR115 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.55 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.99 – 2.88 au |
| Eccentricity | 0.182 |
| Inclination | 0.870° |
| Closest distance between its orbit and Earth's (MOID) | 0.977 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gregory
- (12083) Darone
- (12192) Gregbollendonk
- (13857) Stafford
- (18020) Amend
- (18862) Warot
- (20003) Andorfer
- (21915) Lavins
- (22913) Brockman
- (27291) Greghansen
- (30365) Gregduran
- (53435) Leonard
- (85878) Guzik
All asteroids named after someone called Gregory