2148 Epeios

2148 Epeios
Discovery [1]
Discovered byR. M. West
Discovery siteLa Silla Obs.
Discovery date24 October 1976
Designations
(2148) Epeios
Pronunciation/ɪˈpiːɒs, -əs/[2]
Named after
Epeius [1]
(Greek mythology)
1976 UW
Jupiter trojan [1][3]
Greek [4] · background [5]
Orbital characteristics [3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc40.69 yr (14,862 d)
Aphelion5.5118 AU
Perihelion4.9188 AU
5.2153 AU
Eccentricity0.0569
11.91 yr (4,350 d)
243.53°
0° 4m 58.08s / day
Inclination9.1481°
176.56°
231.58°
Jupiter MOID0.0308 AU
TJupiter2.9710
Physical characteristics
37.98±0.32 km[6]
0.064±0.003[6]
10.8[1][3]

2148 Epeios /ɪˈpiːɒs/ is a mid-sized Jupiter trojan from the Greek camp, approximately 38 kilometers (24 miles) in diameter. It was discovered on 24 October 1976, by Danish astronomer Richard Martin West at ESO's La Silla Observatory in northern Chile.[1] The dark Jovian asteroid is the principal body of the proposed Epeios family and was named after Epeius 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. ^ 'Epeus' in Noah Webster (1884) A Practical Dictionary of the English Language
  3. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference MPC-Jupiter-Trojans was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference AstDys-object was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Grav-2012 was invoked but never defined (see the help page).