(15507) Rengarajan Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Michelle Rengarajan (b. 1985) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for her biochemistry project. She attends the Westridge School, Pasadena, California.Naming citation (20030216/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rengarajan is today
Seen from above the solar system on 2026-10-14: Rengarajan is 2.16 au from the Sun and 2.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15507 |
| Provisional designation | 1999 RC166 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.85 km (#6,729 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0400 |
| Rotation period | 156 hours |
| Absolute magnitude (H) | 14.53 |
| Orbital period | 3.71 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 2.05 – 2.74 au |
| Eccentricity | 0.143 |
| Inclination | 5.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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Also discovered on 9 September 1999
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