(33210) Johnrobertson Main-belt Asteroid
Discovered on 20 March 1998 by LINEAR at Socorro.
John Robertson mentored a finalist in the 2016 Broadcom MASTERS, a math and science competition for middle school students. He teaches at the Alcott Elementary School, Riverside, California.Naming citation (MPC batch dated 2017-07-09), IAU / Minor Planet Center, via NASA/JPL
Where Johnrobertson is today
Seen from above the solar system on 2026-10-14: Johnrobertson is 2.75 au from the Sun and 2.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33210 |
| Provisional designation | 1998 FC70 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.19 km (#14,729 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.363 |
| Absolute magnitude (H) | 14.69 |
| Orbital period | 4.46 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.61 – 2.81 au |
| Eccentricity | 0.0373 |
| Inclination | 6.31° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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