(34355) Mefford Main-belt Asteroid
Discovered on 1 September 2000 by LINEAR at Socorro.
Lillian Elise Mefford (b. 2004) was a finalist in the 2018 Broadcom MASTERS, a math and science competition for middle school students, for her environmental and earth sciences project. She attended the Surfside Middle School, Panama City Beach, Florida.Naming citation (WGSBN Bull. 2, #5, 10), IAU / Minor Planet Center, via NASA/JPL
Where Mefford is today
Seen from above the solar system on 2026-10-14: Mefford is 2.83 au from the Sun and 3.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 34355 |
| Provisional designation | 2000 RB20 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.14 |
| Orbital period | 4.52 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.58 – 2.89 au |
| Eccentricity | 0.0574 |
| Inclination | 4.02° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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