(89903) Post Outer Main-belt Asteroid
Discovered on 20 February 2002 by B. L. Stevens at Desert Moon.
Cecil Post (b. 1917) is an amateur astronomer and former engineer in the antenna section of the physical sciences laboratory in Las Cruces, New Mexico. He was an early and active member of the Astronomical Society of Las Cruces and was a frequent officer, including president, of that organization.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Post is today
Seen from above the solar system on 2026-10-14: Post is 4.39 au from the Sun and 5.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 89903 |
| Provisional designation | 2002 DL3 |
| Orbit class | Outer Main-belt Asteroid |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 7.93 years |
| Semi-major axis | 3.98 au |
| Perihelion – aphelion | 3.47 – 4.48 au |
| Eccentricity | 0.127 |
| Inclination | 5.62° |
| Closest distance between its orbit and Earth's (MOID) | 2.48 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.