(159827) Keithmullen Main-belt Asteroid
Discovered on 4 October 2003 by D. Healy at Junk Bond.
Keith Mullen (b. 1952) is vice president of the Huachuca Astronomy Club of Sierra Vista, Arizona. He has energetically supported and encouraged the club's activities, both astronomical and social.Naming citation (20081113/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Keithmullen is today
Seen from above the solar system on 2026-10-14: Keithmullen is 3.36 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 159827 |
| Provisional designation | 2003 TD2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.73 km (#9,338 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Absolute magnitude (H) | 15.36 |
| Orbital period | 5.49 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.67 – 3.56 au |
| Eccentricity | 0.143 |
| Inclination | 4.46° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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