(4242) Brecher Main-belt Asteroid
Discovered on 28 March 1981 by Harvard Observatory at Harvard.
Where Brecher is today
Seen from above the solar system on 2026-10-14: Brecher is 2.85 au from the Sun and 2.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4242 |
| Provisional designation | 1981 FQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.1 km (#3,374 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0670 |
| Rotation period | 7.68 hours |
| Absolute magnitude (H) | 12.99 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.63 – 3.59 au |
| Eccentricity | 0.156 |
| Inclination | 0.276° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.