Discovered by Scott Sheppard MPC designation 1999 TR11 Observation arc 448 days (1.23 yr) | Discovery date October 9, 1999 Minor planet category plutino (TNO) Aphelion 49.164 AU (7.3548 Tm) | |
1999 TR11, also written as 1999 TR11, is a plutino (a trans-Neptunian object in 2:3 mean-motion resonance with Neptune). It was discovered on October 9, 1999, by Scott Sheppard observing from Mauna Kea with the 2.2 University of Hawaii reflector. It has a perihelion at 29.775 AU and an aphelion at 49.647 AU, so it moves in a relatively eccentric orbit (0.25) and it crosses the orbit of Neptune the same as Pluto.
References
1999 TR11 Wikipedia(Text) CC BY-SA