(20573) Garynadler Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Gary Nadler mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. He teaches at the John Glenn Middle School of International Studies, Indio, California.Naming citation (20041028/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Garynadler is today
Seen from above the solar system on 2026-10-14: Garynadler is 2.60 au from the Sun and 1.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20573 |
| Provisional designation | 1999 RW137 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.06 km (#12,593 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.186 |
| Rotation period | 4.02 hours |
| Absolute magnitude (H) | 14.72 |
| Orbital period | 4.44 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.59 – 2.81 au |
| Eccentricity | 0.0418 |
| Inclination | 6.38° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gary
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- (20317) Hendrickson
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All asteroids named after someone called Gary
Also discovered on 9 September 1999
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- (12592) Brianchen
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