(13820) Schwartz Main-belt Asteroid
Discovered on 1 November 1999 by C. W. Juels at Fountain Hills.
Michael Schwartz (b. 1950) contributes to professional-amateur cooperative discovery and measurement of supernovae and efforts in improving automated astronomy at Tenagra Observatory in Pategonia, Arizona.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Schwartz is today
Seen from above the solar system on 2026-10-14: Schwartz is 2.76 au from the Sun and 1.81 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13820 |
| Provisional designation | 1999 VQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.8 km (#4,686 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0730 |
| Absolute magnitude (H) | 13.56 |
| Orbital period | 5.50 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.59 – 3.65 au |
| Eccentricity | 0.170 |
| Inclination | 1.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.60 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Michael
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