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
 
 
 
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