(21674) Renaldowebb Main-belt Asteroid
Discovered on 7 September 1999 by LINEAR at Socorro.
Renaldo Michael Webb (b. 1988) was awarded second place in the 2006 Intel International Science and Engineering Fair for his physics project. He attends the Louisiana School for Mathematics, Science, and the Arts, Natchitoches, Louisiana, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Renaldowebb is today
Seen from above the solar system on 2026-10-14: Renaldowebb is 2.78 au from the Sun and 3.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21674 |
| Provisional designation | 1999 RG18 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.07 km (#12,560 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.267 |
| Absolute magnitude (H) | 14.19 |
| Orbital period | 4.25 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.27 – 2.98 au |
| Eccentricity | 0.135 |
| Inclination | 15.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.30 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 September 1999
- (12126) Chersidamas
- (12577) Samra
- (12578) Bensaur
- (12585) Katschwarz
- (12586) Juliaspeyer
- (12588) Arseneau
- (12604) Lisatate
- (12924) Madisonicole
- (13818) Ullery
- (14214) Hirsch
- (15503) Estradioto
- (16067) Brandonfan