(11431) Karelbosscha Main-belt Asteroid
Discovered on 13 May 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Karel Albert Rudolf Bosscha (1865-1928) was a notable Dutch tea planter in Malabar, West Java, who, with his nephew Rudolf Albert Kerkhoven, greatly contributed to the establishment of an astronomical observatory in Lembang, near Bandung.Naming citation (20070926/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Karelbosscha is today
Seen from above the solar system on 2026-10-14: Karelbosscha is 2.85 au from the Sun and 3.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11431 |
| Provisional designation | 4843 T-1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.81 km (#7,866 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0730 |
| Absolute magnitude (H) | 14.58 |
| Orbital period | 5.61 years |
| Semi-major axis | 3.16 au |
| Perihelion – aphelion | 2.80 – 3.52 au |
| Eccentricity | 0.115 |
| Inclination | 5.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.79 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Karel
- (5514) Karelraska
- (6379) Vrba
- (7226) Kryl
- (12160) Karelwakker
- (16951) Carolus Quartus
- (17407) Teige
- (19291) Karelzeman
- (21801) Ancerl
- (22465) Karelandel
- (22505) Lewit
- (29674) Rausal
- (31124) Slavicek
All asteroids named after someone called Karel
Also discovered on 13 May 1971
- (5982) Polykletus
- (8438) Marila
- (8967) Calandra
- (9136) Lalande
- (10969) Perryman
- (12636) Padrielli
- (20936) Nemrut Dagi