2797 Teucer
Trojan asteroid / From Wikipedia, the free encyclopedia
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2797 Teucer /ˈtjuːsər/ is a large Jupiter trojan from the Greek camp, approximately 110 kilometers (68 miles) in diameter. It was discovered on 4 June 1981, by American astronomer Edward Bowell at the Anderson Mesa Station near Flagstaff, Arizona, in the United States.[1] The dark D-type asteroid belongs to the 20 largest Jupiter trojans and has a rotation period of 10.15 hours.[4] It was named after the Greek hero and great archer, Teucer.[1]
Quick Facts Discovery, Discovered by ...
Discovery [1] | |
---|---|
Discovered by | E. Bowell |
Discovery site | Anderson Mesa Stn. |
Discovery date | 4 June 1981 |
Designations | |
(2797) Teucer | |
Pronunciation | /ˈtjuːsər/[2] |
Named after | Teucer (Greek mythology)[1] |
1981 LK · 1940 YG 1975 VA1 · 1975 XQ2 1978 EQ | |
Jupiter trojan [1][3][4] Greek [5][6] · background [6] | |
Adjectives | Teucerian (Teucrian) |
Orbital characteristics [3] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 77.40 yr (28,272 d) |
Aphelion | 5.5519 AU |
Perihelion | 4.6574 AU |
5.1046 AU | |
Eccentricity | 0.0876 |
11.53 yr (4,213 d) | |
173.90° | |
0° 5m 7.8s / day | |
Inclination | 22.391° |
69.934° | |
49.042° | |
Jupiter MOID | 0.0174 AU |
TJupiter | 2.8440 |
Physical characteristics | |
Dimensions | 114.0 km × 114 km (occ.)[7] |
Mean diameter | 89.43±0.75 km[8] 111.14±4.1 km[9] 113.99±2.78 km[10] |
10.145±0.001 h[11][lower-alpha 1] | |
0.059±0.003[10] 0.0624±0.005[9] 0.073±0.007[8] | |
D (Pan-STARRS)[4][12] D (SDSS-MOC)[7][13] V–I = 0.920±0.045[4] | |
8.40[9][10] 8.7[1][3][8] | |
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