(25645) Alexanderyan Main-belt Asteroid
Discovered on 5 January 2000 by LINEAR at Socorro.
Ryan Cherian Alexander (b. 1993) was awarded first place and Best in Category in the 2009 Intel International Science and Engineering Fair for his energy and transportation project. He attends the R. C. Clark High School, Plano, Texas, U.S.A.Naming citation (20100428/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Alexanderyan is today
Seen from above the solar system on 2026-10-14: Alexanderyan is 2.52 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25645 |
| Provisional designation | 2000 AZ73 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.28 |
| Orbital period | 3.78 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.19 – 2.65 au |
| Eccentricity | 0.0948 |
| Inclination | 6.80° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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