1282 Utopia

1282 Utopia
Discovery[1]
Discovered byC. Jackson
Discovery siteJohannesburg Obs.
Discovery date17 August 1933
Designations
(1282) Utopia
Pronunciation/juːˈtoʊpiə/
Named after
Utopia[2]
(fictional island society)
1933 QM1 · 1930 CA
1933 QB1 · 1933 RF
1939 RB · 1955 SO1
main-belt · (outer)[3]
background[4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc84.09 yr (30,715 days)
Aphelion3.5049 AU
Perihelion2.7293 AU
3.1171 AU
Eccentricity0.1244
5.50 yr (2,010 days)
23.825°
0° 10m 44.76s / day
Inclination18.040°
324.31°
79.265°
Physical characteristics
Dimensions52.91 km (derived)[3]
53.07±3.7 km[5]
54.48±19.56 km[6]
57.702±0.300 km[7]
58.77±0.72 km[8]
64.414±0.843 km[9]
64.71±0.58 km[10]
13.60±0.05 h[11]
13.61±0.01 h[12]
13.6228±0.0005 h[13]
13.623±0.002 h[14]
0.035±0.008[10]
0.04±0.05[6]
0.0426±0.0086[9]
0.0479 (derived)[3]
0.052±0.002[8]
0.053±0.007[7]
0.0627±0.010[5]
P[9] · C (assumed)[3]
10.00[5][8][9] · 10.20[10] · 10.27[6] · 10.3[1][3]

1282 Utopia /juːˈtoʊpiə/ is a dark asteroid from the outer regions of the asteroid belt, approximately 55 kilometers in diameter. It was discovered on 17 August 1933, by South African astronomer Cyril Jackson at the Union Observatory in Johannesburg, and given the provisional designation 1933 QM1.[15] The asteroid was named after the fictional island of Utopia.[2]

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  6. ^ a b c Cite error: The named reference Nugent-2016 was invoked but never defined (see the help page).
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  8. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  9. ^ a b c d Cite error: The named reference WISE 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. ^ Cite error: The named reference Warner-2001b was invoked but never defined (see the help page).
  12. ^ Cite error: The named reference Warner-2011f was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference Hanus-2011 was invoked but never defined (see the help page).
  14. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  15. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).