(15977) 1998 MA11
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(15977) 1998 MA11 (provisional designation 1998 MA11) is a Jupiter trojan from the Trojan camp, approximately 45 kilometers (28 miles) in diameter. It was discovered on 19 June 1998, by astronomers with the Lincoln Near-Earth Asteroid Research at the Lincoln Lab's ETS near Socorro, New Mexico, in the United States.[1] The suspected tumbler is also a slow rotator with a period of 250 hours.[8] It has not been named since its numbering in July 2000.[10]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab's ETS |
Discovery date | 19 June 1998 |
Designations | |
(15977) 1998 MA11 | |
1998 MA11 · 1999 NG2 | |
Jupiter trojan[1][2] Trojan[3] · background[4] | |
Orbital characteristics[2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 64.37 yr (23,510 d) |
Aphelion | 5.4295 AU |
Perihelion | 4.9353 AU |
5.1824 AU | |
Eccentricity | 0.0477 |
11.80 yr (4,309 d) | |
72.300° | |
0° 5m 0.6s / day | |
Inclination | 17.344° |
209.57° | |
229.49° | |
Jupiter MOID | 0.0328 AU |
TJupiter | 2.9070 |
Physical characteristics | |
43.53±0.86 km[5] 51.53±3.86 km[6] | |
250±5 h[7][lower-alpha 1] | |
0.046[6] 0.071±0.008[5] | |
C (assumed)[8] B–V = 0.748±0.033[9] V–R = 0.465±0.025[9] V–I = 0.906±0.026[9] | |
10.30[5] 10.40[1][2][6][8] | |
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