(12364) Asadagouryu Main-belt Asteroid
Discovered on 15 December 1993 by T. Kobayashi at Oizumi.
Asada Gouryu (1734-1799), an astronomer in the Japanese Edo period, studied positional astronomy. He also founded “Senjikan”, a private school in astronomy, in Osaka, and educated many outstanding astronomers, including Takashi Yoshitoki and Hazama Shigetomi.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Asadagouryu is today
Seen from above the solar system on 2026-10-14: Asadagouryu is 2.27 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12364 |
| Provisional designation | 1993 XQ1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.81 km (#15,639 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.245 |
| Absolute magnitude (H) | 15.25 |
| Orbital period | 3.19 years |
| Semi-major axis | 2.17 au |
| Perihelion – aphelion | 2.05 – 2.28 au |
| Eccentricity | 0.0515 |
| Inclination | 2.16° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.