(22351) Yamashitatoshiki Main-belt Asteroid
Discovered on 19 October 1992 by Endate, K., Watanabe, K. at Kitami.
Toshiki Yamashita (b. 1934) is a Japanese high school physics teacher. He has undertaken 43 expeditions to view total and annular solar eclipses.Naming citation (WGSBN Bull. 1, #1, 13), IAU / Minor Planet Center, via NASA/JPL
Where Yamashitatoshiki is today
Seen from above the solar system on 2026-10-14: Yamashitatoshiki is 1.80 au from the Sun and 1.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22351 |
| Provisional designation | 1992 UT2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.93 km (#12,909 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.188 |
| Rotation period | 3.65 hours |
| Absolute magnitude (H) | 14.63 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.80 – 2.76 au |
| Eccentricity | 0.211 |
| Inclination | 6.92° |
| Closest distance between its orbit and Earth's (MOID) | 0.800 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 October 1992
- (6496) Kazuko
- (8529) Sinzi
- (10118) Jiwu
- (13094) Shinshuueda
- (13564) Kodomomiraikan
- (15303) Hatoyamamachi
- (26852) Miyamototakashi
- (35143) Harimoto