(31904) Haoruochen Main-belt Asteroid
Discovered on 5 April 2000 by LINEAR at Socorro.
Hao Ruochen (b. 1997) was awarded best of category award and first place in the 2015 Intel ISEF for his physics and astronomy project. He also received the London International Youth Science Forum, Philip V. Streich Memorial Award. He attends the Shandong Experimental High School, Jinan, Shandong, China.Naming citation (MPC batch dated 2015-11-25), IAU / Minor Planet Center, via NASA/JPL
Where Haoruochen is today
Seen from above the solar system on 2026-10-14: Haoruochen is 2.51 au from the Sun and 3.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31904 |
| Provisional designation | 2000 GX34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.90 km (#17,154 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.409 |
| Absolute magnitude (H) | 15.56 |
| Orbital period | 3.66 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 2.14 – 2.61 au |
| Eccentricity | 0.0980 |
| Inclination | 6.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hao
All asteroids named after someone called Hao
Also discovered on 5 April 2000
- (15559) Abigailhines
- (15563) Remsberg
- (15564) Lateef
- (15565) Benjaminsteele
- (15566) Elizabethbaker
- (15567) Giacomelli
- (15568) Jathe
- (15569) Feinberg
- (15570) von Wolff
- (15573) Richardjoseph
- (15574) Stephaniehass
- (15575) Manyakumar