(3545) Gaffey Main-belt Asteroid
Discovered on 20 November 1981 by E. Bowell at Anderson Mesa.
Where Gaffey is today
Seen from above the solar system on 2026-10-14: Gaffey is 3.00 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3545 |
| Provisional designation | 1981 WK2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.4 km (#3,919 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.165 |
| Spectral type | Sa |
| Absolute magnitude (H) | 12.33 |
| Orbital period | 4.86 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.71 – 3.03 au |
| Eccentricity | 0.0546 |
| Inclination | 2.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.