Object profile
2011 QF99
2 occultation events
—
Best radius (km)
—
Geometric albedo
2
Events recorded
19.2011 AU
Semi-major axis
Size — to scalevs Pluto
2011 QF99 · R — KMPLUTO · R 1188 KM
2011 QF99 — this objectPluto — comparison
Best physical propertieslatest event
Radius eq. (km)> —
Equivalent radius (km)—
Oblateness—
Density (g/cm³)—
Albedo (V)—
All occultation events2 recorded — newest first
| Date | Chords | Observed from | Radius eq. (km) | Feature | |
|---|---|---|---|---|---|
| 2025-10-31 | 1 | Poland | — | Satellite | details → |
| 2025-10-31 | 1 | Poland | — | Satellite | details → |
Orbit — top viewheliocentric
19.2011
a (AU)
0.1791
e
10.797
i (deg)
Class & designation
Number687170
Provisional designation2011 QF99
Dynamical classTrojan
Inclination (deg)10.797
Size (km)—