(7788) Tsukuba Main-belt Asteroid
Discovered on 5 December 1994 by A. Nakamura at Kuma Kogen.
Where Tsukuba is today
Seen from above the solar system on 2026-10-14: Tsukuba is 3.30 au from the Sun and 3.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7788 |
| Provisional designation | 1994 XS |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.69 km (#5,281 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0570 |
| Absolute magnitude (H) | 13.96 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.68 – 3.35 au |
| Eccentricity | 0.110 |
| Inclination | 7.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.