Discovery[1] | |
---|---|
Discovered by | Pan-STARRS |
Discovery site | Haleakala Obs. |
Discovery date | December 26, 2014 |
Designations | |
2014 YX49 | |
Uranus trojan centaur[2][3] · distant[1] | |
Orbital characteristics[2] | |
Epoch 16 February 2017 (JD 2457800.5) | |
Uncertainty parameter 1 | |
Observation arc | 4876 days (13.35 yr) |
Aphelion | 24.4207 AU (3.65328 Tm) |
Perihelion | 13.8401 AU (2.07045 Tm) |
19.1304 AU (2.86187 Tm) | |
Eccentricity | 0.276539 |
83.67 yr (30562 d) | |
75.587° | |
Inclination | 25.55097° |
91.44425° | |
280.584° | |
Earth MOID | 12.9424 AU (1.93616 Tm) |
Jupiter MOID | 9.47006 AU (1.416701 Tm) |
Physical characteristics | |
77 km (est. at 0.09)[3] | |
21.6 | |
8.8 | |
(636872) 2014 YX49 (provisional designation 2014 YX49) is a centaur and Uranus co-orbital, approximately 77 kilometers (48 miles) in diameter, first observed on December 26, 2014, by the Pan-STARRS survey.[4] It is the second known centaur on a tadpole orbit with Uranus, and the fourth Uranus co-orbital discovered after 83982 Crantor, 2011 QF99 and (472651) 2015 DB216.[5]
MPC
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).johnstonsarchive-TNOs
was invoked but never defined (see the help page).mpec
was invoked but never defined (see the help page).coorbitalstate
was invoked but never defined (see the help page).