|
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
|
|