(30221) LeDonne Main-belt Asteroid
Discovered on 7 April 2000 by LINEAR at Socorro.
Sarah LeDonne mentored a finalist in the 2014 Broadcom MASTERS, a math and science competition for middle school students. She teaches at the Ingomar Middle School, Pittsburgh, Pennsylvania.Naming citation (MPC batch dated 2015-01-05), IAU / Minor Planet Center, via NASA/JPL
Where LeDonne is today
Seen from above the solar system on 2026-10-14: LeDonne is 2.44 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30221 |
| Provisional designation | 2000 GX126 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.97 km (#15,293 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.194 |
| Rotation period | 41.1 hours |
| Absolute magnitude (H) | 14.77 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.91 – 2.68 au |
| Eccentricity | 0.167 |
| Inclination | 8.31° |
| Closest distance between its orbit and Earth's (MOID) | 0.927 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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