(16718) Morikawa Main-belt Asteroid
Discovered on 30 October 1995 by Endate, K., Watanabe, K. at Kitami.
Yoshiki Morikawa (b. 1981) is a Japanese amateur astronomer and popularizer of astronomy in Tokyo. He enjoys observing and photographing nebulae and star clusters through his telescope.Naming citation (MPC batch dated 2013-07-22), IAU / Minor Planet Center, via NASA/JPL
Where Morikawa is today
Seen from above the solar system on 2026-10-14: Morikawa is 2.83 au from the Sun and 2.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16718 |
| Provisional designation | 1995 UA9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.2 km (#3,649 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0480 |
| Absolute magnitude (H) | 13.37 |
| Orbital period | 5.36 years |
| Semi-major axis | 3.06 au |
| Perihelion – aphelion | 2.79 – 3.34 au |
| Eccentricity | 0.0911 |
| Inclination | 4.37° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.