(17988) Joannehsieh Main-belt Asteroid
Discovered on 10 May 1999 by LINEAR at Socorro.
Joanne Charlotte Hsieh (b. 1985) was awarded first place in the 2003 Intel International Science and Engineering Fair for her biochemistry team project. She attends the Northport High School, Northport, New York, U.S.A.Naming citation (20040614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Joannehsieh is today
Seen from above the solar system on 2026-10-14: Joannehsieh is 2.56 au from the Sun and 1.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17988 |
| Provisional designation | 1999 JR62 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.43 km (#16,401 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.520 |
| Absolute magnitude (H) | 14.7 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 2.20 – 2.56 au |
| Eccentricity | 0.0747 |
| Inclination | 6.02° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Joanne
- (9002) Gabrynowicz
- (17914) Joannelee
- (22630) Wallmuth
- (22632) DiNovis
- (25488) Figueiredo
- (27549) Joannemichet
- (28092) Joannekear
- (87088) Joannewheeler
- (731124) Rosvick
All asteroids named after someone called Joanne
Also discovered on 10 May 1999
- (11219) Benbohn
- (11225) Borden
- (11227) Ksenborisova
- (11228) Botnick
- (11229) Brookebowers
- (11230) Deschaffer
- (11231) Schiavo
- (11413) Catanach
- (11414) Allanchu
- (12117) Meagmessina
- (16048) Eddiedai
- (16049) D'Amore