(46829) McMahon Main-belt Asteroid
Discovered on 26 July 1998 by E. W. Elst at La Silla.
Jay W. McMahon (b. 1982) has carried out fundamental research on the dynamics and evolutionary behavior of binary asteroids. His work has laid the foundation for a rigorous understanding of the Binary YORP effect and the determination of material parameters of binary asteroids based on remote observations.Naming citation (MPC batch dated 2016-06-20), IAU / Minor Planet Center, via NASA/JPL
Where McMahon is today
Seen from above the solar system on 2026-10-14: McMahon is 2.83 au from the Sun and 3.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 46829 |
| Provisional designation | 1998 OS14 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 2.62 hours |
| Absolute magnitude (H) | 15.11 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.96 – 2.84 au |
| Eccentricity | 0.181 |
| Inclination | 5.60° |
| Closest distance between its orbit and Earth's (MOID) | 0.962 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jay
- (8216) Melosh
- (11173) Jayanderson
- (13212) Jayleno
- (13416) Berryman
- (14226) Hamura
- (14596) Bergstralh
- (20471) Kueny
- (22575) Jayallen
- (30109) Jaywilson
- (32128) Jayzussman
- (33571) Jaygupta
- (34404) Jaybuddi
All asteroids named after someone called Jay
Also discovered on 26 July 1998
- (9470) Jussieu
- (9471) Ostend
- (9472) Bruges
- (9473) Ghent
- (12540) Picander
- (12873) Clausewitz
- (13253) Stejneger
- (13254) Kekule
- (13256) Marne
- (13703) Romero
- (20404) Javiersuarez
- (22645) Rotblat