Discovery[1][2] | |
---|---|
Discovered by | Palomar Obs. |
Discovery site | Palomar Obs. |
Discovery date | 10 December 2002 |
Designations | |
(78799) 2002 XW93 | |
2002 XW93 | |
TNO[2] · centaur[3] other TNO[4] · distant[1] | |
Orbital characteristics[2] | |
Epoch 27 April 2019 (JD 2458600.5) | |
Uncertainty parameter 4 | |
Observation arc | 18.76 yr (6,852 d) |
Earliest precovery date | 17 December 1989 |
Aphelion | 46.812 AU |
Perihelion | 27.909 AU |
37.360 AU | |
Eccentricity | 0.2530 |
228.36 yr (83,410 d) | |
145.37° | |
0° 0m 15.48s / day | |
Inclination | 14.383° |
46.928° | |
247.18° | |
Physical characteristics | |
565+71 −73 km[3][4] 584 km[5] | |
0.038[3][4] | |
5.5[1][2] | |
(78799) 2002 XW93, provisional designation 2002 XW93, is a trans-Neptunian object and centaur from the outer Solar System, approximately 500–600 kilometers (300–400 mi) in diameter. It was discovered on 10 December 2002, by astronomers at the Palomar Observatory in California.[1]
MPC-object
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).Ferret
was invoked but never defined (see the help page).johnstonsarchive-TNO-list
was invoked but never defined (see the help page).Brown
was invoked but never defined (see the help page).