(25199) Jiahegu Main-belt Asteroid
Discovered on 26 September 1998 by LINEAR at Socorro.
Jiahe Gu (b. 1994) is a finalist in the 2008 Society for Science and the Public middle school science competition, for his animal and plant sciences project. He attends the Martin Luther King, Jr., Magnet High School, Nashville, Tennessee.Naming citation (20090111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jiahegu is today
Seen from above the solar system on 2026-10-14: Jiahegu is 2.57 au from the Sun and 1.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25199 |
| Provisional designation | 1998 SB139 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.7 km (#4,719 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0510 |
| Rotation period | 8.34 hours |
| Absolute magnitude (H) | 14.09 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.55 – 3.02 au |
| Eccentricity | 0.0845 |
| Inclination | 3.34° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 26 September 1998
- (10237) Adzic
- (10238) Ananyakarthik
- (11380) Amolsingh
- (11382) Juliasitu
- (12915) Rinoliver
- (13336) Jillpernell
- (13337) Sampath
- (13339) Williamsmith
- (13341) Kellysweeney
- (13343) Annietaylor
- (13344) Upenieks
- (13346) Danielmiller