(2688) Halley Main-belt Asteroid
Discovered on 25 April 1982 by E. Bowell at Anderson Mesa.
👶 Halley as a baby name🐶 Halley as a dog name
Where Halley is today
Seen from above the solar system on 2026-10-14: Halley is 3.18 au from the Sun and 4.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2688 |
| Provisional designation | 1982 HG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.5 km (#2,015 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0770 |
| Rotation period | 16.0 hours |
| Absolute magnitude (H) | 11.84 |
| Orbital period | 5.62 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.68 – 3.65 au |
| Eccentricity | 0.153 |
| Inclination | 3.46° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.