(129801) Tommcmahon Main-belt Asteroid

Discovered on 17 May 1999 by CSS at Catalina.

Tom McMahon (b. 1962) was electronics lead on the OCAMS camera for the OSIRIS-REx Sample Return Mission. He also served as project manager for the Large Binocular Telescope Interferometer and systems engineer for the Multi-band Imaging Spectrometer (MIPS) on the Spitzer Space Telescope.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL

Where Tommcmahon is today

MercuryVenusEarthEarthMarsMarsTommcmahonTommcmahon

Seen from above the solar system on 2026-10-14: Tommcmahon is 2.73 au from the Sun and 2.73 au from Earth. Computed from JPL's orbital elements.

Facts

Number129801
Provisional designation1999 KB1
Orbit classMain-belt Asteroid
Absolute magnitude (H)17.05
Orbital period3.58 years
Semi-major axis2.34 au
Perihelion – aphelion1.87 – 2.81 au
Eccentricity0.200
Inclination3.18°
Closest distance between its orbit and Earth's (MOID)0.858 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also named after someone called Tom

Also discovered on 17 May 1999

More named asteroids discovered by CSS