(216780) Lilianne Main-belt Asteroid
Discovered on 27 August 2006 by J. W. Young at Wrightwood.
Lilianne Alice Osmonson (b. 2018) is the great-granddaughter of the discoverer.Naming citation (MPC batch dated 2020-02-05), IAU / Minor Planet Center, via NASA/JPL
Where Lilianne is today
Seen from above the solar system on 2026-10-14: Lilianne is 2.23 au from the Sun and 1.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 216780 |
| Provisional designation | 2006 QP57 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.62 |
| Orbital period | 3.29 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.73 – 2.70 au |
| Eccentricity | 0.220 |
| Inclination | 6.46° |
| Closest distance between its orbit and Earth's (MOID) | 0.722 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.