(4192) Breysacher Outer Main-belt Asteroid
Discovered on 28 February 1981 by Debehogne, H., De Sanctis, G. at La Silla.
Where Breysacher is today
Seen from above the solar system on 2026-10-14: Breysacher is 3.74 au from the Sun and 4.38 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4192 |
| Provisional designation | 1981 DH |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 21.2 km (#2,050 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0820 |
| Rotation period | 7.39 hours |
| Absolute magnitude (H) | 12.03 |
| Orbital period | 5.76 years |
| Semi-major axis | 3.21 au |
| Perihelion – aphelion | 2.67 – 3.76 au |
| Eccentricity | 0.171 |
| Inclination | 0.549° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 28 February 1981
- (2780) Monnig
- (2958) Arpetito
- (3287) Olmstead
- (3307) Athabasca
- (3602) Lazzaro
- (3805) Goldreich
- (4052) Crovisier
- (4473) Sears
- (4523) MIT
- (4989) Joegoldstein
- (5046) Carletonmoore
- (5308) Hutchison