(117384) Halharrison Main-belt Asteroid
Discovered on 18 December 2004 by Mt. Lemmon Survey at Mount Lemmon.
Hal Harrison (b. 1947) is an amateur astronomer and photographer and has always been fascinated by planetary science and astronomy. His career began with his working on IBM mainframe computers and evolved along with changes in technology. He is presently head driver at Wormhole Racing.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Halharrison is today
Seen from above the solar system on 2026-10-14: Halharrison is 2.69 au from the Sun and 1.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 117384 |
| Provisional designation | 2004 YD16 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.06 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.19 – 2.70 au |
| Eccentricity | 0.106 |
| Inclination | 1.77° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 December 2004
- (117381) Lindaweiland
- (117385) Maughan
- (117386) Thomasschlapkohl
- (117387) Javiercerna
- (117388) Jamiemoore
- (333134) Alexandrahilbert