(16189) Riehl Main-belt Asteroid
Discovered on 8 January 2000 by LINEAR at Socorro.
Named in honor of Emily Elizabeth Riehl for achievement as a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. Emily is a student at the University High School, Normal, Illinois.Naming citation (20020227/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Riehl is today
Seen from above the solar system on 2026-10-14: Riehl is 2.93 au from the Sun and 3.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16189 |
| Provisional designation | 2000 AT187 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.10 km (#10,433 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.205 |
| Rotation period | 6.48 hours |
| Absolute magnitude (H) | 14.12 |
| Orbital period | 4.97 years |
| Semi-major axis | 2.91 au |
| Perihelion – aphelion | 2.86 – 2.97 au |
| Eccentricity | 0.0190 |
| Inclination | 13.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Emily
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- (27456) Sarkisian
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