(34823) Lillipetersen Main-belt Asteroid
Discovered on 17 September 2001 by LINEAR at Socorro.
Lillian Petersen (b. 2002) was awarded first place in the 2018 Intel International Science and Engineering Fair for her earth and environmental sciences project. She attended the Los Alamos High School, Los Alamos, New Mexico, U.S.A.Naming citation (WGSBN Bull. 2, #14, 9), IAU / Minor Planet Center, via NASA/JPL
Where Lillipetersen is today
Seen from above the solar system on 2026-10-14: Lillipetersen is 2.18 au from the Sun and 1.36 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 34823 |
| Provisional designation | 2001 SM155 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.39 km (#11,857 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0760 |
| Absolute magnitude (H) | 15.95 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.08 – 2.57 au |
| Eccentricity | 0.106 |
| Inclination | 6.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Lillian
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