(17145) Hollycheng Main-belt Asteroid
Discovered on 12 May 1999 by LINEAR at Socorro.
Holly Cheng (b. 2002) was a finalist in the 2020 Regeneron Science Talent Search, a science competition for high school seniors, for her cellular and molecular biology project. She attended the Horace Greeley High School, Chappaqua, New York.Naming citation (WGSBN Bull. 3, #8, 9), IAU / Minor Planet Center, via NASA/JPL
Where Hollycheng is today
Seen from above the solar system on 2026-10-14: Hollycheng is 2.88 au from the Sun and 2.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17145 |
| Provisional designation | 1999 JG99 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.42 km (#8,355 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.133 |
| Absolute magnitude (H) | 13.71 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.21 – 3.18 au |
| Eccentricity | 0.179 |
| Inclination | 16.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Holly
- (23248) Batchelor
- (28953) Hollyerickson
- (30174) Hollyjackson
- (52337) Compton
- (117563) Hollyoscarson
- (433512) Hollyholman
All asteroids named after someone called Holly
Also discovered on 12 May 1999
- (16059) Marybuda
- (16060) Dahliadry
- (17124) Rishavalera
- (17125) Vijayakumar
- (17126) Sophiawang
- (17127) Ryanwestcott
- (17131) Paulazhu
- (17138) Burgosrosario
- (17139) Malyshev
- (17140) Yangkevin
- (17141) Bhatia
- (17143) Andrewbrinton