(4002) Shinagawa Main-belt Asteroid
Discovered on 14 May 1950 by K. Reinmuth at Heidelberg.
Where Shinagawa is today
Seen from above the solar system on 2026-10-14: Shinagawa is 2.44 au from the Sun and 2.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4002 |
| Provisional designation | 1950 JB |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.98 km (#5,106 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.406 |
| Rotation period | 175 hours |
| Absolute magnitude (H) | 11.78 |
| Orbital period | 3.99 years |
| Semi-major axis | 2.52 au |
| Perihelion – aphelion | 2.44 – 2.59 au |
| Eccentricity | 0.0307 |
| Inclination | 14.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.