(21574) Ouzan Main-belt Asteroid
Discovered on 14 September 1998 by LINEAR at Socorro.
Raphael Ouzan (b. 1987) was awarded second place in the 2006 Intel International Science and Engineering Fair for his computer science project. He attends Boys Town Jerusalem, Jerusalem, Israel.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ouzan is today
Seen from above the solar system on 2026-10-14: Ouzan is 2.91 au from the Sun and 3.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21574 |
| Provisional designation | 1998 RZ71 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.30 km (#10,050 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.274 |
| Absolute magnitude (H) | 13.57 |
| Orbital period | 4.89 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.76 – 3.00 au |
| Eccentricity | 0.0429 |
| Inclination | 2.76° |
| Closest distance between its orbit and Earth's (MOID) | 1.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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