(8156) Tsukada Main-belt Asteroid
Discovered on 13 October 1988 by Endate, K., Watanabe, K. at Kitami.
Named in honor of Shinsuke Tsukada (b. 1954), director of the Yonago City Planetarium, Tottori Prefecture, and an executive member of the San-in Society of Astronomy, the Tottori Society of Astronomy. Provider of varied and informative planetarium programs for the general public on an on-going basis, he spends his free evenings searching for comets. Name proposed by the discoverers following a suggestion by Y. Yamada.Naming citation (19990728/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tsukada is today
Seen from above the solar system on 2026-10-14: Tsukada is 2.93 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8156 |
| Provisional designation | 1988 TR |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.02 km (#8,904 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.293 |
| Absolute magnitude (H) | 13.12 |
| Orbital period | 4.43 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.42 – 2.97 au |
| Eccentricity | 0.103 |
| Inclination | 3.41° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Shinsuke
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