(3994) Ayashi Main-belt Asteroid
Discovered on 2 December 1988 by M. Koishikawa at Ayashi.
Where Ayashi is today
Seen from above the solar system on 2026-10-14: Ayashi is 2.20 au from the Sun and 2.38 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3994 |
| Provisional designation | 1988 XF |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.7 km (#3,482 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0782 |
| Absolute magnitude (H) | 12.89 |
| Orbital period | 4.32 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.01 – 3.30 au |
| Eccentricity | 0.244 |
| Inclination | 3.68° |
| Closest distance between its orbit and Earth's (MOID) | 1.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 December 1988
More named asteroids discovered by M. Koishikawa
- (4292) Aoba
- (4407) Taihaku
- (4539) Miyagino
- (4871) Riverside
- (5128) Wakabayashi
- (5751) Zao
- (6089) Izumi
- (6190) Rennes
- (6349) Acapulco
- (6859) Datemasamune
- (7485) Changchun
- (7816) Hanoi
← (3993) Sorm · (3995) Sakaino →