(33556) Brennanclark Main-belt Asteroid
Discovered on 10 May 1999 by LINEAR at Socorro.
Brennan Scott Clark (b. 1997) was awarded best of category and first place in the 2016 Intel International Science and Engineering Fair for his translational medical science team project. He attends the Breck School, Golden Valley, Minnesota, U.S.A.Naming citation (MPC batch dated 2017-07-09), IAU / Minor Planet Center, via NASA/JPL
Where Brennanclark is today
Seen from above the solar system on 2026-10-14: Brennanclark is 2.35 au from the Sun and 3.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 33556 |
| Provisional designation | 1999 JR20 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.06 km (#15,078 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.300 |
| Rotation period | 3.86 hours |
| Absolute magnitude (H) | 14.8 |
| Orbital period | 3.42 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 2.14 – 2.40 au |
| Eccentricity | 0.0577 |
| Inclination | 3.73° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 10 May 1999
- (11219) Benbohn
- (11225) Borden
- (11227) Ksenborisova
- (11228) Botnick
- (11229) Brookebowers
- (11230) Deschaffer
- (11231) Schiavo
- (11413) Catanach
- (11414) Allanchu
- (12117) Meagmessina
- (16048) Eddiedai
- (16049) D'Amore