(25878) Sihengyou Main-belt Asteroid
Discovered on 24 August 2000 by LINEAR at Socorro.
Siheng S. You (b. 1991) was awarded first place in the 2009 Intel International Science and Engineering Fair for his energy and transportation team project. He attends the Sunset High School, Portland, Oregon, U.S.A.Naming citation (20100428/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sihengyou is today
Seen from above the solar system on 2026-10-14: Sihengyou is 2.57 au from the Sun and 2.96 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25878 |
| Provisional designation | 2000 QW77 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.44 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.92 – 2.57 au |
| Eccentricity | 0.143 |
| Inclination | 3.08° |
| Closest distance between its orbit and Earth's (MOID) | 0.941 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 August 2000
- (18170) Ramjeawan
- (18171) Romaneskue
- (18174) Khachatryan
- (18175) Jenniferchoy
- (18176) Julianhong
- (18177) Harunaga
- (18184) Dianepark
- (18189) Medeobaldia
- (18930) Athreya
- (18935) Alfandmedina
- (18938) Zarabeth
- (18939) Sariancel