(129982) Jeffseabrook Main-belt Asteroid
Discovered on 31 October 1999 by CSS at Catalina.
Jeff Seabrook (b. 1976) is part of the altimetry team developing the capability to generate topography and shape models from the OSIRIS-REx Laser Altimeter. Prior to this, he was a graduate student who developed and deployed atmospheric ozone lidars, and part of the MET team on the Phoenix Mars Mission.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Jeffseabrook is today
Seen from above the solar system on 2026-10-14: Jeffseabrook is 2.75 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 129982 |
| Provisional designation | 1999 UJ45 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.61 |
| Orbital period | 4.04 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.19 – 2.88 au |
| Eccentricity | 0.135 |
| Inclination | 14.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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