(500000) Kaichi Main-belt Asteroid
Discovered on 4 August 2011 by Pan-STARRS 1 at Haleakala.
Carolyn Kaichi (b. 1956) is an American astronomy educator who has inspired generations of students and the public throughout Hawaiʻi. As a planetarium director, state science fair director, and outreach specialist for the University of Hawaiʻi Institute for Astronomy, she has fostered a lifelong appreciation of science and the night sky.Naming citation (WGSBN Bull. 6, #12, 10), IAU / Minor Planet Center, via NASA/JPL
Where Kaichi is today
Seen from above the solar system on 2026-10-14: Kaichi is 3.04 au from the Sun and 3.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 500000 |
| Provisional designation | 2011 PM6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.81 |
| Orbital period | 5.46 years |
| Semi-major axis | 3.10 au |
| Perihelion – aphelion | 2.98 – 3.22 au |
| Eccentricity | 0.0388 |
| Inclination | 8.83° |
| Closest distance between its orbit and Earth's (MOID) | 1.97 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Carolyn
- (7231) Porco
- (8801) Nugent
- (9171) Carolyndiane
- (9458) Beaumont
- (11008) Ernst
- (11174) Carandrews
- (12855) Tewksbury
- (14571) Caralexander
- (18699) Quigley
- (26397) Carolynsinow
- (27438) Carolynjons
- (28127) Ogden-Stenerson
All asteroids named after someone called Carolyn