(10087) Dechesne Main-belt Asteroid
Discovered on 18 September 1990 by H. E. Holt at Palomar.
Roland George Dechesne (b. 1960) has been President of the Royal Astronomical Society of Canada, Calgary Centre, has run Calgary's annual Star-B-Q for many years, and has regularly given the talks at the University of Calgary's Rothney Astrophysical Observatory open houses. He has been a leader in RASC's Light Pollution Abatement Committee.Naming citation (WGSBN Bull. 2, #2, 5), IAU / Minor Planet Center, via NASA/JPL
Where Dechesne is today
Seen from above the solar system on 2026-10-14: Dechesne is 2.72 au from the Sun and 3.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10087 |
| Provisional designation | 1990 SG3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.20 km (#12,283 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.252 |
| Absolute magnitude (H) | 14.23 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.85 – 2.72 au |
| Eccentricity | 0.190 |
| Inclination | 4.05° |
| Closest distance between its orbit and Earth's (MOID) | 0.842 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Roland
- (11585) Orlandelassus
- (11823) Christen
- (12870) Rolandmeier
- (26984) Fernand-Roland
- (28105) Santallo
- (31387) Lehoucq
- (79842) Jourdain
- (362420) Rolandgarros
- (428102) Rolandwagner
All asteroids named after someone called Roland
Also discovered on 18 September 1990
More named asteroids discovered by H. E. Holt
- (4502) Elizabethann
- (4642) Murchie
- (4643) Cisneros
- (4711) Kathy
- (4745) Nancymarie
- (4955) Gold
- (4958) Wellnitz
- (5034) Joeharrington
- (5132) Maynard
- (5134) Ebilson
- (5185) Alerossi
- (5235) Jean-Loup
← (10086) McCurdy · (10088) Digne →