(249514) Donaldroyer Main-belt Asteroid
Discovered on 11 February 2010 by WISE at WISE.
Donald Royer (b. 1942) is an expert in the systems needed to operate and communicate with NASA space missions. He served as the mission operations systems manager for the Wide-field Infrared Survey Explorer mission.Naming citation (MPC batch dated 2013-12-17), IAU / Minor Planet Center, via NASA/JPL
Where Donaldroyer is today
Seen from above the solar system on 2026-10-14: Donaldroyer is 2.90 au from the Sun and 2.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 249514 |
| Provisional designation | 2010 CZ44 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.11 km (#14,942 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Absolute magnitude (H) | 16.34 |
| Orbital period | 4.61 years |
| Semi-major axis | 2.77 au |
| Perihelion – aphelion | 2.62 – 2.92 au |
| Eccentricity | 0.0532 |
| Inclination | 6.58° |
| Closest distance between its orbit and Earth's (MOID) | 1.62 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Donald
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All asteroids named after someone called Donald