(5171) Augustesen Main-belt Asteroid
Discovered on 25 September 1987 by P. Jensen at Brorfelde.
Karl A. Augustesen (b. 1945) has for several decades been the observer at the Schmidt telescope erected at Brorfelde in 1965.Naming citation (20050523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Augustesen is today
Seen from above the solar system on 2026-10-14: Augustesen is 2.57 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5171 |
| Provisional designation | 1987 SQ3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.45 km (#8,314 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.245 |
| Rotation period | 480 hours |
| Absolute magnitude (H) | 13.43 |
| Orbital period | 3.78 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.11 – 2.74 au |
| Eccentricity | 0.132 |
| Inclination | 7.08° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Karl
- (1690) Mayrhofer
- (4463) Marschwarzschild
- (6059) Diefenbach
- (6597) Kreil
- (6712) Hornstein
- (10099) Glazebrook
- (11434) Lohnert
- (13816) Stulpner
- (13977) Frisch
- (14014) Munchhausen
- (14100) Weierstrass
- (15728) Karlmay
All asteroids named after someone called Karl