(17030) Sierks Main-belt Asteroid
Discovered on 19 March 1999 by LONEOS at Anderson Mesa.
German physicist Holger Sierks (b. 1960) has worked on instrumentation for missions such as SOHO, Ulysses, Rosetta, OSIRIS-REx and Dawn. His research areas include solar physics and the evolution, structure, and surface properties of small solar system bodies.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sierks is today
Seen from above the solar system on 2026-10-14: Sierks is 3.14 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17030 |
| Provisional designation | 1999 FC9 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 416 hours |
| Absolute magnitude (H) | 13.32 |
| Orbital period | 5.67 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 3.04 – 3.32 au |
| Eccentricity | 0.0448 |
| Inclination | 2.90° |
| Closest distance between its orbit and Earth's (MOID) | 2.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Holger
All asteroids named after someone called Holger
Also discovered on 19 March 1999
- (11203) Danielbetten
- (11206) Bibee
- (11409) Horkheimer
- (15499) Cloyd
- (15500) Anantpatel
- (17039) Yeuseyenka
- (17040) Almeida
- (17041) Castagna
- (17042) Madiraju
- (17043) Santucci
- (17044) Mubdirahman
- (17046) Kenway