(136743) Echigo Main-belt Asteroid
Discovered on 16 November 1995 by Sato, N., Urata, T. at Chichibu.
Echigo is a name of an old administrative area in Japan. It was part of the main island of the present Niigata Prefecture, along the coast of the Sea of Japan.Naming citation (MPC batch dated 2014-05-14), IAU / Minor Planet Center, via NASA/JPL
Where Echigo is today
Seen from above the solar system on 2026-10-14: Echigo is 2.72 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 136743 |
| Provisional designation | 1995 WW1 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.35 hours |
| Absolute magnitude (H) | 16.77 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 1.79 – 2.89 au |
| Eccentricity | 0.233 |
| Inclination | 1.25° |
| Closest distance between its orbit and Earth's (MOID) | 0.802 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 November 1995
- (6804) Maruseppu
- (8720) Takamizawa
- (8905) Bankakuko
- (9093) Sorada
- (9094) Butsuen
- (9217) Kitagawa
- (11111) Repunit
- (12796) Kamenrider
- (21234) Nakashima
- (73819) Isaootuki