(33189) Ritzdorf Main-belt Asteroid
Discovered on 20 March 1998 by LINEAR at Socorro.
Lucas Lee Ritzdorf (b. 2002) is a finalist in the 2016 Broadcom MASTERS, a math and science competition for middle school students, for his environmental and earth sciences project. He attends the Kalispell Middle School, Kalispell, Montana.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Ritzdorf is today
Seen from above the solar system on 2026-10-14: Ritzdorf is 2.46 au from the Sun and 2.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33189 |
| Provisional designation | 1998 FK43 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.91 |
| Orbital period | 4.86 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.37 – 3.37 au |
| Eccentricity | 0.173 |
| Inclination | 2.05° |
| Closest distance between its orbit and Earth's (MOID) | 1.38 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Lucas
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- (26530) Lucferreira
- (33323) Lucaspaganini
- (120141) Lucaslara
All asteroids named after someone called Lucas
Also discovered on 20 March 1998
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