(17857) Hsieh Main-belt Asteroid
Discovered on 18 May 1998 by LONEOS at Anderson Mesa.
Henry H. Hsieh (b. 1978) has studied the nature of the comet-like Themis-family minor planet (7968) = 133P/Elst-Pizarro and has surveyed the main belt for examples of similar transition objects.Naming citation (20050721/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hsieh is today
Seen from above the solar system on 2026-10-14: Hsieh is 2.73 au from the Sun and 2.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17857 |
| Provisional designation | 1998 KR1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.53 km (#8,211 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.217 |
| Absolute magnitude (H) | 13.16 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.15 – 3.24 au |
| Eccentricity | 0.204 |
| Inclination | 13.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Henry
- (4384) Henrybuhl
- (5891) Gehrig
- (9016) Henrymoore
- (10557) Rowland
- (10637) Heimlich
- (10753) van de Velde
- (12727) Cavendish
- (13806) Darmstrong
- (18979) Henryfong
- (19454) Henrymarr
- (27365) Henryfitz
- (28118) Vaux
All asteroids named after someone called Henry
Also discovered on 18 May 1998
- (12859) Marlamoore
- (13240) Thouvay
- (17856) Gomes
- (20363) Komitov
- (23739) Kevin
- (28052) Lowellputnam
- (33287) Lasue
- (35646) Estela
More named asteroids discovered by LONEOS
- (9127) Brucekoehn
- (9809) Jimdarwin
- (10239) Hermann
- (10638) McGlothlin
- (10937) Ferris
- (10938) Lorenzalevy
- (11187) Richoliver
- (11202) Teddunham
- (11374) Briantaylor
- (11377) Nye
- (11378) Dauria
- (11409) Horkheimer
← (17856) Gomes · (17858) Beauge →