(27765) Brockhaus Main-belt Asteroid
Discovered on 10 September 1991 by F. Borngen at Tautenburg.
In 1805, German publisher Friedrich Arnold Brockhaus (1772-1823) founded the F. A. Brockhaus publishing house. With its headquarters in Leipzig since 1817, it was originally best known for its encyclopedias, which served as models for other reference books.Naming citation (20030318/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Brockhaus is today
Seen from above the solar system on 2026-10-14: Brockhaus is 2.09 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27765 |
| Provisional designation | 1991 RJ41 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.61 km (#16,032 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.374 |
| Absolute magnitude (H) | 15.03 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.99 – 2.57 au |
| Eccentricity | 0.127 |
| Inclination | 7.67° |
| Closest distance between its orbit and Earth's (MOID) | 0.995 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Friedrich
- (4030) Archenhold
- (5665) Begemann
- (6231) Hundertwasser
- (8052) Novalis
- (9189) Holderlin
- (9344) Klopstock
- (10835) Frobel
- (11855) Preller
- (12661) Schelling
- (12694) Schleiermacher
- (13254) Kekule
- (14041) Durrenmatt
All asteroids named after someone called Friedrich
Also discovered on 10 September 1991
- (6651) Rogervenable
- (8282) Delp
- (9189) Holderlin
- (10340) Jostjahn
- (11061) Lagerlof
- (17486) Hodler
- (27764) von Flue
- (29212) Zeeman
- (43804) Peterting
- (65694) Franzrosenzweig