66 Maja

66 Maja
Lightcurve-based 3D-model of Maja
Discovery [1]
Discovered byH. P. Tuttle
Discovery siteHarvard College Obs.
Discovery date9 April 1861
Designations
(66) Maja
Pronunciation/ˈmeɪ.ə/[2]
Named after
Maia (Greek mythology)[3]
1947 FO · 1974 KR
1992 OX10 · A902 UF
A906 QD
main-belt · (middle) [4]
background [5]
AdjectivesMajan
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
62.87±15.72 km[6]
62.901±19.42 km[7]
71.79±0.92 km[8]
71.82±5.3 km[9]
74.30±21.31 km[10]
82.28±2.11 km[11]
Mass~1.8×1017 kg (calculated)[6]
Mean density
1.38 g/cm3 (assumed)[12]
9.733 h[13][14]
9.73509±0.00005 h[15]
9.73570±0.00005 h[16]
9.736±0.009 h[17]
9.74±0.05 h[15]
9.761±0.03 h[18]
0.03±0.01[11]
0.037±0.052[10]
0.05±0.02[6]
0.0618±0.010[9]
0.062±0.002[8]
0.0759±0.0615[7]
Tholen = C [1] · C [4]
SMASS = Ch [1]
B–V = 0.697[1]
U–B = 0.360[1]
V–R = 0.374±0.010[19]
9.18[7] · 9.18±0.35[20] · 9.36[1][4][6][8][9] · 9.44±0.09[19] · 9.48[11] · 9.84[10]

66 Maja (/ˈmeɪə/) 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.[21] The asteroid was named after Maia from Greek mythology.[3]

  1. ^ a b c d e f g Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ 'Maia' in Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ a b Cite error: The named reference springer was invoked but never defined (see the help page).
  4. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Ferret was invoked but never defined (see the help page).
  6. ^ a b c d Cite error: The named reference Nugent-2015 was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Masiero-2017 was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ a b c Cite error: The named reference SIMPS was invoked but never defined (see the help page).
  10. ^ a b c Cite error: The named reference Masiero-2012 was invoked but never defined (see the help page).
  11. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
  12. ^ Krasinsky, G. A.; Pitjeva, E. V.; Vasilyev, M. V.; Yagudina, E. I. (2002). "Hidden Mass in the Asteroid Belt". Icarus. 158 (1): 98. Bibcode:2002Icar..158...98K. doi:10.1006/icar.2002.6837.
  13. ^ Cite error: The named reference Di-Martino-1990 was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference Barucci-1989 was invoked but never defined (see the help page).
  15. ^ a b Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  16. ^ Cite error: The named reference Hanus-2016a was invoked but never defined (see the help page).
  17. ^ Cite error: The named reference Ditteon-2007 was invoked but never defined (see the help page).
  18. ^ Cite error: The named reference Riccioli-2001 was invoked but never defined (see the help page).
  19. ^ a b Cite error: The named reference Warner-2007i was invoked but never defined (see the help page).
  20. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  21. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).