(15420) Aedouglass Main-belt Asteroid
Discovered on 28 April 1998 by Spacewatch at Kitt Peak.
Andrew Ellicott Douglass (1867-1962) was an American astronomer and developer of dendochronology. For Percival Lowell, he sited Lowell Observatory. Later he directed the Steward Observatory at the University of Arizona and in 1923 dedicated the 0.9-m telescope, which became the Spacewatch telescope in 1983.Naming citation (20040713/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Aedouglass is today
Seen from above the solar system on 2026-10-14: Aedouglass is 3.28 au from the Sun and 3.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15420 |
| Provisional designation | 1998 HQ31 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.28 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 1.93 – 3.36 au |
| Eccentricity | 0.271 |
| Inclination | 3.29° |
| Closest distance between its orbit and Earth's (MOID) | 0.912 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Andrew
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- (6814) Steffl
- (6825) Irvine
- (6947) Andrewdavis
- (7150) McKellar
- (8257) Andycheng
- (8867) Tubbiolo
- (9999) Wiles
- (10230) Andrewnorton
- (11450) Shearer
- (12506) Pariser
All asteroids named after someone called Andrew