385571 Otrera

385571 Otrera
Discovery [1][2]
Discovered byS. S. Sheppard
C. Trujillo
Discovery siteLas Campanas Obs.
Discovery date16 October 2004
Designations
(385571) Otrera
Named after
Otrera (Greek mythology)[2]
2004 UP10
Neptune trojan · L4 [3]
centaur [1] · distant [2]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 4
Observation arc8.97 yr (3,277 days)
Aphelion30.727 AU
Perihelion29.327 AU
30.027 AU
Eccentricity0.0233
164.54 yr (60,099 days)
355.52°
0° 0m 21.6s / day
Inclination1.4334°
34.761°
3.5334°
Physical characteristics
Dimensions74 km (est. at 0.10)[4]
100 km[5]
23.3[5]
8.8[1]

385571 Otrera, provisional designation 2004 UP10, is a Neptune trojan leading Neptune's orbit in the outer Solar System. It was discovered by American astronomers Scott Sheppard and Chad Trujillo at Las Campanas Observatory on 16 October 2004.[2] It measures approximately 100 kilometers in diameter and was the second such body to be discovered after 2001 QR322.[3]

  1. ^ a b c d Cite error: The named reference jpldata was invoked but never defined (see the help page).
  2. ^ a b c d Cite error: The named reference MPC-Otrera was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference MPC-NeptuneTrojans was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference h was invoked but never defined (see the help page).
  5. ^ a b Cite error: The named reference Planetary-Society was invoked but never defined (see the help page).