2003 QY90
Number
-
Provisional name
2003 QY90
Class
Cubewano
Discovery date
24.08.2003, 02:11:00 UT, Cerro Tololo Observatory, La Serena, Chile
Discovery chart
Discovery position
24 Aquarius 11' Rx
Time of announcement
30.08.2003 - 18:12 UT
Orbital period
280.0 years
Orbit
  • crosses the orbit of Pluto
Aphelion
44.973 AU
Perihelion
40.859 AU
Semimajor axis
42.916 AU
Magnitude
6.3
Diameter
105 - 328 km
Inclination
3.8
 
2003 QY90 has a binary companion.

Satellite
 
Discovery
23.10.2003, Clay telescope
Time of announcement
29.10.2003
Distance between pair
13500 - 14500 km