(16975) Delamere Main-belt Asteroid
Discovered on 27 December 1998 by LONEOS at Anderson Mesa.
W. Alan Delamere (b. 1935), recently retired from Ball Aerospace and Technology, has made major contributions to cometary science, ranging from management of the Halley multicolor camera on the Giotto mission to his insightful approach to the original design of the Deep Impact mission.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Delamere is today
Seen from above the solar system on 2026-10-14: Delamere is 2.56 au from the Sun and 1.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16975 |
| Provisional designation | 1998 YX29 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.54 km (#7,073 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.143 |
| Absolute magnitude (H) | 13.96 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.87 – 2.92 au |
| Eccentricity | 0.219 |
| Inclination | 10.7° |
| Closest distance between its orbit and Earth's (MOID) | 0.877 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alan
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- (6227) Alanrubin
- (6860) Sims
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- (8110) Heath
- (9250) Chamberlin
- (9291) Alanburdick
- (10113) Alantitle
- (10204) Turing
- (10373) MacRobert
- (12431) Webster
All asteroids named after someone called Alan