5259 Epeigeus

5259 Epeigeus
Discovery [1]
Discovered byC. S. Shoemaker
E. M. Shoemaker
Discovery sitePalomar Obs.
Discovery date30 January 1989
Designations
(5259) Epeigeus
Pronunciation/ɪˈpiːdʒiːəs/
Named after
Επειγεύς [1]
(Greek mythology)
1989 BB1
Jupiter trojan [1][2]
Greek [3] · background [4]
AdjectivesEpeige(i)an
Orbital characteristics [2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc38.18 yr (13,946 d)
Aphelion5.5824 AU
Perihelion4.8187 AU
5.2005 AU
Eccentricity0.0734
11.86 yr (4,332 d)
27.038°
0° 4m 59.16s / day
Inclination15.921°
67.461°
200.12°
Jupiter MOID0.5047 AU
TJupiter2.9180
Physical characteristics
42.59±4.4 km[5]
44.42±2.34 km[6]
44.74±1.06 km[7]
18.42±0.03 h[8]
0.069±0.008[6]
0.073±0.007[7]
0.0739±0.018[5]
D (Pan-STARRS)[9][10]
D (SDSS-MOC)[11]
10.2[7]
10.30[1][2][5][6][9]

5259 Epeigeus /ɪˈpiːdʒiːəs/ is a mid-sized Jupiter trojan from the Greek camp, approximately 44 kilometers (27 miles) in diameter. It was discovered on 30 January 1989, by American astronomer couple Carolyn and Eugene Shoemaker at the Palomar Observatory in California.[1] The D-type asteroid has a rotation period of 18.4 hours.[9] It was named after the Myrmidon hero Epeigeus 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 SIMPS was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference Grav-2012 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Mottola-2011 was invoked but never defined (see the help page).
  9. ^ a b c Cite error: The named reference lcdb was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  11. ^ Cite error: The named reference SDSS-Taxonomy was invoked but never defined (see the help page).