(28147) Colbath Main-belt Asteroid
Discovered on 11 October 1998 by LONEOS at Anderson Mesa.
G. Kent Colbath (b. 1953) and his late wife Jill have been longtime supporters of Lowell Observatory for the past twenty years. Kent has had a varied career in geology, and was Chair of Earth Science at Cerritos Community College. Kent is a die-hard science enthusiast and he serves on Lowell Observatory's Advisory Board.Naming citation (WGSBN Bull. 2, #12, 7), IAU / Minor Planet Center, via NASA/JPL
Where Colbath is today
Seen from above the solar system on 2026-10-14: Colbath is 2.54 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28147 |
| Provisional designation | 1998 TD32 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.84 km (#13,132 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.173 |
| Rotation period | 7.50 hours |
| Absolute magnitude (H) | 14.84 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.16 – 2.57 au |
| Eccentricity | 0.0865 |
| Inclination | 4.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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