1999 TC36
Number
47171
Provisional name
1999 TC36
Class
Plutino
Discovery
01.10.1999, 07:46:08 UT, Kitt Peak, AZ, USA
Discovery chart
Discovery position
25 Pisces 41' Rx
Time of announcement
21.12.1999 - 18:15 UT
Orbital period
246.1 years
Orbit
  • crosses the orbit of Pluto
Aphelion
48.311 AU
Perihelion
30.572 AU
Semimajor axis
39.441 AU
Magnitude
4.9
Diameter
200 - 620 km
Inclination
8.4
 
In 2009, analysis of Hubble images confirmed that 1999 TC36 is a triple system. The primary is composed of two similar sized components A1 and A2. 1999 TC36 has a small moon orbiting the barycenter of the A1+A2 dominant components.

Satellite
S/2001 (47171) 1
Discovery
08.12.2001, Hubble Space Telescope
Time of announcement
Distance between pair
about 8000 km
Orbital period
50.38 +/- 0.5 d