(78799) 2002 XW93
| Discovery[1] | |
|---|---|
| Discovered by | Palomar Observatory |
| Discovery date | December 10, 2002 |
| Designations | |
| MPC designation | (78799) 2002 XW93 |
| TNO | |
| Orbital characteristics[2] | |
| Epoch December 9, 2014 (JD 2457000.5) | |
| Aphelion |
46.819 AU (10,752 Gm) |
| Perihelion |
28.394 AU (5,864.1 Gm) |
| 37.607 AU | |
| Eccentricity | 0.24497 |
|
230.62 yr (84,235 d) | |
| 138.133° | |
| Inclination | 14.360° |
| 46.845° | |
| 247.861° | |
| Physical characteristics | |
| Dimensions |
584 km[3] 565 km[4] |
| 5.5[2] | |
|
| |
(78799) 2002 XW93 is a trans-Neptunian object discovered by the Palomar observatory on December 10, 2002. Mike Brown lists it as a likely dwarf planet on his website. It most recently reached perihelion on August 10, 1926. Prior to its discovery, it was observed 29 times between December 17, 1989 and September 20, 2008.[5]
References
- ↑ Marsden, Brian G. (2003-12-24). "MPEC 2003-Y55 : 2002 XW93". IAU Minor Planet Center. Harvard-Smithsonian Center for Astrophysics. Retrieved 2015-01-02.
- ↑ 2.0 2.1 "JPL Small-Body Database Browser: 78799 (2002 XW93)" (last observation:2009-10-25). Retrieved 2015-01-02.
- ↑ "How many dwarf planets are there in the outer solar system?". Retrieved 2015-01-02.
- ↑ "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 2015-01-02.
- ↑ "(78799) 2002 XW93". Retrieved 2015-01-02.
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