|
1999 HD12
|
Number
|
-
|
Provisional name
|
1999 HD12
|
Class
|
Centaur
|
Discovery date
|
17.04.1999
|
|
Discovery chart
|
Discovery position
|
7° Libra 44' Rx
|
Time of announcement
|
20.05.1999 - 22:06 UT
|
Orbital period
|
141.1 years
|
Orbit
|
- crosses the orbits of Saturn, Uranus, Neptune and Pluto
|
Aphelion
|
33.747 AU
|
Perihelion
|
8.898 AU
|
Semimajor axis
|
21.322 AU
|
Magnitude
|
12.8
|
Diameter
|
5,4 - 16.6 km
|
|
|
|