12052 Aretaon

12052 Aretaon
Discovery[1]
Discovered byE. W. Elst
Discovery siteLa Silla Obs.
Discovery date3 May 1997
Designations
(12052) Aretaon
Pronunciation/ærɪˈteɪɒn/
Named after
Ἀρετάων Aretāōn[1]
(Greek mythology)
1997 JB16 · 1977 UG5
1999 NE62
Jupiter trojan[1][2]
Trojan[3] · background[4]
Orbital characteristics[2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc40.60 yr (14,828 d)
Aphelion5.5958 AU
Perihelion4.8837 AU
5.2397 AU
Eccentricity0.0680
11.99 yr (4,381 d)
197.23°
0° 4m 55.92s / day
Inclination11.463°
219.79°
85.727°
Jupiter MOID0.256 AU
TJupiter2.9550
Physical characteristics
39.151±0.809 km[5]
42.23 km (calculated)[6]
8.05 h[7]
0.057 (assumed)[6]
0.073±0.013[5]
C (assumed)[6]
10.425±0.002 (R)[8]
10.50[5]
10.6[1][2][6]

12052 Aretaon /ærɪˈteɪɒn/ is a mid-sized Jupiter trojan from the Trojan camp, approximately 40 kilometers (25 miles) in diameter. It was discovered on 3 May 1997, by Belgian astronomer Eric Elst at ESO's La Silla Observatory in northern Chile.[1] The dark Jovian asteroid has a rotation period of 8.05 hours.[6] It was named after Aretaon from Greek mythology.[1]

  1. ^ a b c d e f Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MPC-Jupiter-Trojans was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference Grav-2012 was invoked but never defined (see the help page).
  6. ^ a b c d e Cite error: The named reference lcdb was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference French-2013 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Waszczak-2015 was invoked but never defined (see the help page).