| Discovery | |
|---|---|
| Discovered by | P. Jensen |
| Discovery site | Brorfelde |
| Discovery date | 8 September 1988 |
| Designations | |
| MPC designation | 5171 |
|
Named after
|
Karl Augustesen |
| 1987 SQ3 | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 22840 days (62.53 yr) |
| Aphelion | 2.7451 AU (410.66 Gm) |
| Perihelion | 2.1068 AU (315.17 Gm) |
| 2.4260 AU (362.92 Gm) | |
| Eccentricity | 0.13157 |
| 3.78 yr (1380.1 d) | |
| 165.580° | |
| 0° 15m 39.024s / day | |
| Inclination | 7.0871° |
| 322.135° | |
| 45.695° | |
| Earth MOID | 1.10971 AU (166.010 Gm) |
| Jupiter MOID | 2.71595 AU (406.300 Gm) |
| Jupiter Tisserand parameter | 3.488 |
| Physical characteristics | |
| 480 h (20 d) | |
| 13.2 | |
5171 Augustesen (1987 SQ3) is a main-belt asteroid discovered on September 8, 1988 by P. Jensen at Brorfelde.
Photometric observations of this asteroid reported in 2007 show a lengthy rotation period of 474 ± 10 hours with a brightness variation of 0.8 magnitude. It appears to have a tumbling motion.