(15967) Clairearmstrong Main-belt Asteroid
Discovered on 24 February 1998 by M. Armstrong at Rolvenden.
Claire Armstrong, the wife of supernova discoverer Mark Armstrong, has provided unwavering support throughout the years of Mark's patrol. A large degree of Mark's success is due to Claire's support, which extends to practical help also: she co-discovered minor planet 1997 WQ28 with him.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Clairearmstrong is today
Seen from above the solar system on 2026-10-14: Clairearmstrong is 1.89 au from the Sun and 0.951 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15967 |
| Provisional designation | 1998 DN20 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.4 km (#3,278 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0860 |
| Rotation period | 5.90 hours |
| Absolute magnitude (H) | 13.06 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 1.88 – 3.40 au |
| Eccentricity | 0.287 |
| Inclination | 12.2° |
| Closest distance between its orbit and Earth's (MOID) | 0.935 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Claire
All asteroids named after someone called Claire