(87271) Kokubunji Main-belt Asteroid
Discovered on 3 August 2000 by BATTeRS at Bisei SG Center.
Kokubunji is a city in Tokyo Metropolis, Japan. On 1955 April 12, the first Japanese rocket experiment was conducted in this city, using tiny “Pencil” rockets by a team of engineers led by Hideo Itokawa of the University of Tokyo.Naming citation (MPC batch dated 2015-02-03), IAU / Minor Planet Center, via NASA/JPL
Where Kokubunji is today
Seen from above the solar system on 2026-10-14: Kokubunji is 2.65 au from the Sun and 2.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 87271 |
| Provisional designation | 2000 PY3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.96 km (#10,681 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0600 |
| Absolute magnitude (H) | 15.65 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.24 – 2.91 au |
| Eccentricity | 0.129 |
| Inclination | 5.68° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 August 2000
- (18156) Kamisaibara
- (18924) Vinjamoori
- (36424) Satokokumasaki
- (38669) Michikawa
- (54509) YORP
- (61342) Lovejoy
- (61344) Jicakyoryokutai