(42665) Kristinblock Main-belt Asteroid
Discovered on 19 April 1998 by Spacewatch at Kitt Peak.
Kristin Block (b. 1978) is an American space scientist, astrobiologist, and musician. She is the Principal Science Operations Engineer for the High Resolution Imaging Science Experiment on the Mars Reconnaissance Orbiter. She performs taiko, double bass, and other instruments with ensembles ranging from full symphonies to circus arts groups.Naming citation (WGSBN Bull. 4, #6, 7), IAU / Minor Planet Center, via NASA/JPL
Where Kristinblock is today
Seen from above the solar system on 2026-10-14: Kristinblock is 2.46 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 42665 |
| Provisional designation | 1998 HF4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.58 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 2.08 – 2.72 au |
| Eccentricity | 0.133 |
| Inclination | 6.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Kristin
All asteroids named after someone called Kristin
Also discovered on 19 April 1998
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- (20352) Pinakibose
- (20353) Gianotto
- (21482) Patashnick
- (21483) Abdulrasool
- (21484) Eppard
- (22603) Davidoconnor
- (23735) Cohen
- (31336) Chenyuhsin
- (33282) Arjunramani
- (136922) Brianbauer