(18021) Waldman Main-belt Asteroid
Discovered on 13 May 1999 by LINEAR at Socorro.
Sarah Elyse Waldman (b. 1985) was awarded second place in the 2003 Intel International Science and Engineering Fair for her behavioral and social sciences project. She attends the Roslyn High School, Roslyn Heights, New York, U.S.A.Naming citation (20040614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Waldman is today
Seen from above the solar system on 2026-10-14: Waldman is 2.75 au from the Sun and 3.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18021 |
| Provisional designation | 1999 JH127 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.59 |
| Orbital period | 4.55 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.45 – 3.04 au |
| Eccentricity | 0.107 |
| Inclination | 4.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.45 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sarah
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- (21927) Sarahpierz
All asteroids named after someone called Sarah
Also discovered on 13 May 1999
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- (11418) Williamwang
- (11743) Jachowski
- (17130) Alexzhang
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- (17149) Victoriagraf
- (17151) Zanderhill
- (18012) Marsland
- (18013) Shedletsky
- (18015) Semenkovich
- (18016) Grondahl
- (18019) Dascoli
More named asteroids discovered by LINEAR
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- (9458) Beaumont
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