(28784) Deringer Main-belt Asteroid
Discovered on 29 April 2000 by LINEAR at Socorro.
Nancy Deringer mentored a finalist in the 2013 Broadcom MASTERS, a math and science competition for middle school students. She teaches at the Davidsen Middle School, Tampa, Florida.Naming citation (MPC batch dated 2013-09-19), IAU / Minor Planet Center, via NASA/JPL
Where Deringer is today
Seen from above the solar system on 2026-10-14: Deringer is 2.70 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28784 |
| Provisional designation | 2000 HT51 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.71 km (#11,216 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.183 |
| Absolute magnitude (H) | 14.24 |
| Orbital period | 4.86 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.69 – 3.05 au |
| Eccentricity | 0.0621 |
| Inclination | 2.95° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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- (26264) McIntyre
All asteroids named after someone called Nancy
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