(28155) Chengzhendai Main-belt Asteroid
Discovered on 28 October 1998 by LINEAR at Socorro.
Chengzhen Li Dai (b. 1994) was awarded second place in the 2011 Intel International Science and Engineering Fair for his animal sciences project. He attends the Detroit Country Day School, Beverly Hills, Michigan, U.S.A.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chengzhendai is today
Seen from above the solar system on 2026-10-14: Chengzhendai is 2.22 au from the Sun and 1.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28155 |
| Provisional designation | 1998 UB40 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.29 km (#16,624 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.404 |
| Absolute magnitude (H) | 15.01 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 1.98 – 2.64 au |
| Eccentricity | 0.141 |
| Inclination | 5.70° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 28 October 1998
- (13369) Youngblood
- (14622) Arcadiopoveda
- (23949) Dazapata
- (25256) Imbrie-Moore
- (25257) Elizmakarron
- (27091) Alisonbick
- (27098) Bocarsly
- (27099) Xiaoyucao
- (28156) McColl
- (29631) Ryankenny