(19135) Takashionaka Main-belt Asteroid
Discovered on 3 December 1988 by Endate, K., Watanabe, K. at Kitami.
Takashi Onaka (b. 1952) is a professor of infrared astronomy at the University of Tokyo. He is known for his comprehensive study of the interplanetary, circumstellar and interstellar dust based on ground-based/space-borne observations, theoretical approaches and laboratory experiments.Naming citation (MPC batch dated 2018-09-25), IAU / Minor Planet Center, via NASA/JPL
Where Takashionaka is today
Seen from above the solar system on 2026-10-14: Takashionaka is 3.13 au from the Sun and 4.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19135 |
| Provisional designation | 1988 XQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.04 km (#10,531 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.277 |
| Absolute magnitude (H) | 14.41 |
| Orbital period | 4.03 years |
| Semi-major axis | 2.53 au |
| Perihelion – aphelion | 1.85 – 3.22 au |
| Eccentricity | 0.271 |
| Inclination | 9.69° |
| Closest distance between its orbit and Earth's (MOID) | 0.861 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Takashi
- (5230) Asahina
- (6392) Takashimizuno
- (6527) Takashiito
- (6792) Akiyamatakashi
- (7263) Takayamada
- (8159) Fukuoka
- (8314) Tsuji
- (8369) Miyata
- (8733) Ohsugi
- (8930) Kubota
- (11579) Tsujitsuka
- (13224) Takamatsuda
All asteroids named after someone called Takashi