66 Maja

66 Maja
A737.M1234.shape(1).png
Lightcurve-based 3D-model of Maja
Discovery [1]
Discovered byH. P. Tuttle
Discovery siteHarvard College Obs.
Discovery date9 April 1861
Designations
MPC designation(66) Maja
Pronunciationə/ · or · ə/
MY-ə · or · MAY-ə
Named after
Maia (Greek mythology)[2]
1947 FO · 1974 KR
1992 OX10 · A902 UF
A906 QD
main-belt · (middle)[3]
background [4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc156.54 yr (57,178 days)
Aphelion3.1021 AU
Perihelion2.1884 AU
2.6453 AU
Eccentricity0.1727
4.30 yr (1,571 days)
241.56°
0° 13m 44.76s / day
Inclination3.0461°
7.5071°
44.071°
Physical characteristics
Mean diameter
62.87±15.72 km[5]
62.901±19.42 km[6]
71.79±0.92 km[7]
71.82±5.3 km[8]
74.30±21.31 km[9]
82.28±2.11 km[10]
9.733 h[11][12]
9.73509±0.00005 h[13]
9.73570±0.00005 h[14]
9.736±0.009 h[15]
9.74±0.05 h[13]
9.761±0.03 h[16]
0.03±0.01[10]
0.037±0.052[9]
0.05±0.02[5]
0.0618±0.010[8]
0.062±0.002[7]
0.0759±0.0615[6]
Tholen = C[1] · C[3]
SMASS = Ch[1]
B–V = 0.697[1]
U–B = 0.360[1]
V–R = 0.374±0.010[17]
9.18[6] · 9.18±0.35[18] · 9.36[1][3][5][7][8] · 9.44±0.09[17] · 9.48[10] · 9.84[9]

66 Maja (ə/ MY-ə; also: ə/ MAY-ə) is a carbonaceous background asteroid from the central regions of the asteroid belt, approximately 71 kilometers in diameter. It was discovered on 9 April 1861, by American astronomer Horace Tuttle at the Harvard College Observatory in Cambridge, Massachusetts, United States.[19] The asteroid was named after Maia from Greek mythology.[2]

Orbit and classification

Maja is a non-family asteroid from the main belt's background population.[4] It orbits the Sun in the central asteroid belt at a distance of 2.2–3.1 AU once every 4 years and 4 months (1,571 days; semi-major axis of 2.65 AU). Its orbit has an eccentricity of 0.17 and an inclination of 3° with respect to the ecliptic.[1] The body's observation arc begins at the Harvard Observatory, one night after its official discovery observation.[19]

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беларуская: (66) Мая
català: (66) Maja
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فارسی: سیارک ۶۶
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粵語: 光神星
中文: 光神星