(28277) Chengherngyi Main-belt Asteroid
Discovered on 10 February 1999 by LINEAR at Socorro.
Cheng Yi Herng (b. 1993) was awarded first place in the 2011 Intel International Science and Engineering Fair for his computer science project. He attends the NUS High School of Mathematics and Science, Singapore.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chengherngyi is today
Seen from above the solar system on 2026-10-14: Chengherngyi is 2.25 au from the Sun and 2.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28277 |
| Provisional designation | 1999 CN27 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.88 km (#15,492 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.406 |
| Rotation period | 17.3 hours |
| Absolute magnitude (H) | 14.72 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.01 – 2.60 au |
| Eccentricity | 0.127 |
| Inclination | 6.99° |
| 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 named after someone called Cheng
- (20879) Chengyuhsuan
- (26396) Chengjingjie
- (26559) Chengcheng
- (210434) Fungyuancheng
- (343441) Chienchenglin
- (555802) Chengyen
All asteroids named after someone called Cheng
Also discovered on 10 February 1999
- (10939) Maheshwari
- (10942) Natashamaniar
- (11197) Beranek
- (11407) Madsubramanian
- (15083) Tianhuili
- (15088) Licitra
- (15492) Nyberg
- (16012) Jamierubin
- (16013) Schmidgall
- (16014) Sinha
- (16015) Snell
- (16016) Boylan