(104210) Leeupton Main-belt Asteroid
Discovered on 10 March 2000 by LINEAR at Socorro.
As assistant director of the Massachusetts Institute of Technology's Lincoln Laboratory from 2000 to 2009, Lee Upton (b. 1943) was known for his exceptional technical leadership in support of national security. This naming is on the occasion of his retirement as assistant director.Naming citation (20100923/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Leeupton is today
Seen from above the solar system on 2026-10-14: Leeupton is 3.21 au from the Sun and 2.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 104210 |
| Provisional designation | 2000 ES116 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.60 km (#16,062 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.286 |
| Absolute magnitude (H) | 15.24 |
| Orbital period | 4.72 years |
| Semi-major axis | 2.81 au |
| Perihelion – aphelion | 2.42 – 3.21 au |
| Eccentricity | 0.141 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.43 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 March 2000
- (15131) Alanalda
- (15132) Steigmeyer
- (15145) Ritageorge
- (25858) Donherbert
- (26586) Harshaw
- (27381) Balasingam
- (27382) Justinbarber
- (27412) Teague
- (28568) Jacobjohnson
- (28569) Kallenbach
- (28575) McQuaid
- (30060) Davidseong