(15155) Ahn Main-belt Asteroid
Discovered on 29 March 2000 by LINEAR at Socorro.
Named in honor of Ryan J. Ahn for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Ryan is a student at the Landisville Middle School, Landisville, Pennsylvania.Naming citation (20011002/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ahn is today
Seen from above the solar system on 2026-10-14: Ahn is 2.48 au from the Sun and 2.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15155 |
| Provisional designation | 2000 FB37 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.74 km (#15,777 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.409 |
| Absolute magnitude (H) | 14.72 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.21 – 2.51 au |
| Eccentricity | 0.0641 |
| Inclination | 5.61° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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