2882 Tedesco
2882 Tedesco, provisional designation 1981 OG, is a Themistian asteroid from the outer regions of the asteroid belt, approximately 22 kilometers (14 miles) in diameter. It was discovered on 26 July 1981, by astronomer Edward Bowell at the Anderson Mesa Station near Flagstaff, Arizona. The likely elongated C-type asteroid has a rotation period of 19.8 hours. It was named for American astronomer Ed Tedesco.
| Discovery | |
|---|---|
| Discovered by | E. Bowell |
| Discovery site | Anderson Mesa Stn. |
| Discovery date | 26 July 1981 |
| Designations | |
MPC designation | (2882) Tedesco |
Named after | Ed Tedesco (American astronomer) |
Alternative designations | 1981 OG · 1936 QG 1953 SF · 1964 PL 1970 QF1 |
Minor planet category | main-belt · (outer) Themis |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 81.51 yr (29,770 d) |
| Aphelion | 3.7624 AU |
| Perihelion | 2.5429 AU |
Semi-major axis | 3.1527 AU |
| Eccentricity | 0.1934 |
Orbital period (sidereal) | 5.60 yr (2,045 d) |
Mean anomaly | 178.19° |
Mean motion | 0° 10m 33.96s / day |
| Inclination | 0.2898° |
Longitude of ascending node | 314.33° |
| 7.0021° | |
| Physical characteristics | |
Mean diameter | 20.89±5.43 km 21.48 km (calculated) 21.912±0.216 km 22.78±6.57 km 24.93±0.64 km |
Synodic rotation period | 19.805±0.008 h 19.815±0.0195 h |
| 0.06±0.06 0.065±0.014 0.08±0.11 0.084±0.012 | |
| C (Pan-STARRS) C (SDSS-MOC) | |
| 11.60 11.683±0.002 (R) 11.7 11.87 11.96±0.32 | |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.