(4750) Mukai Main-belt Asteroid
Discovered on 15 December 1990 by Fujii, T., Watanabe, K. at Kitami.
Where Mukai is today
Seen from above the solar system on 2026-10-14: Mukai is 2.10 au from the Sun and 2.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4750 |
| Provisional designation | 1990 XC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.67 km (#6,009 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0690 |
| Rotation period | 38.3 hours |
| Spectral type | X |
| Absolute magnitude (H) | 14.11 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 1.99 – 2.38 au |
| Eccentricity | 0.0899 |
| Inclination | 4.90° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.