(9419) Keikochaki Main-belt Asteroid
Discovered on 12 December 1995 by T. Kobayashi at Oizumi.
Keiko Chaki (b. 1954) is the president of the Sidewalk Astronomy Society in Takatsuki, Osaka, Japan. She organizes many star-gazing parties at schools and community centers. She has inspired thousands of children to take a deep interest in astronomy.Naming citation (WGSBN Bull. 3, #13, 12), IAU / Minor Planet Center, via NASA/JPL
Where Keikochaki is today
Seen from above the solar system on 2026-10-14: Keikochaki is 2.31 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9419 |
| Provisional designation | 1995 XS |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.40 km (#14,227 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.319 |
| Absolute magnitude (H) | 14.55 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.93 – 2.55 au |
| Eccentricity | 0.140 |
| Inclination | 4.48° |
| Closest distance between its orbit and Earth's (MOID) | 0.938 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Keiko
All asteroids named after someone called Keiko
More named asteroids discovered by T. Kobayashi
- (4807) Noboru
- (5924) Teruo
- (6275) Kiryu
- (6276) Kurohone
- (6346) Syukumeguri
- (6414) Mizunuma
- (6418) Hanamigahara
- (6420) Riheijyaya
- (6422) Akagi
- (6423) Harunasan
- (6462) Myougi
- (6531) Subashiri
← (9418) Mayumi · (9420) Dewar →