(25517) Davidlau Main-belt Asteroid
Discovered on 7 December 1999 by LINEAR at Socorro.
David Lau mentored a finalist in the 2009 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Mission San Jose High School, Fremont, California.Naming citation (20090311/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Davidlau is today
Seen from above the solar system on 2026-10-14: Davidlau is 2.12 au from the Sun and 1.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25517 |
| Provisional designation | 1999 XD101 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.49 km (#13,996 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.303 |
| Absolute magnitude (H) | 14.51 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.98 – 2.58 au |
| Eccentricity | 0.131 |
| Inclination | 2.63° |
| Closest distance between its orbit and Earth's (MOID) | 0.967 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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