(18775) Donaldeng Main-belt Asteroid
Discovered on 10 May 1999 by LINEAR at Socorro.
Donald Eng (b. 1987) was awarded third place in the 2003 Intel International Science and Engineering Fair for his engineering project. He attends the Stanton College Preparatory School, Jacksonville, Florida, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Donaldeng is today
Seen from above the solar system on 2026-10-14: Donaldeng is 2.56 au from the Sun and 2.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18775 |
| Provisional designation | 1999 JD39 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.82 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.12 – 2.57 au |
| Eccentricity | 0.0955 |
| Inclination | 3.06° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Donald
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- (9295) Donaldyoung
- (9448) Donaldavies
- (11267) Donaldkessler
- (11419) Donjohnson
All asteroids named after someone called Donald
Also discovered on 10 May 1999
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