(30830) Jahn Main-belt Asteroid
Discovered on 14 October 1990 by Borngen, F., Schmadel, L. D. at Tautenburg.
Friedrich Ludwig Jahn (1778-1852) was an educator, writer and the “father of gymnastics”. He opened the first sports ground in Berlin in 1811 and founded the Turnverein (gym club) movement in Germany. He invented diverse apparatus that became standard equipment for sports activities.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jahn is today
Seen from above the solar system on 2026-10-14: Jahn is 2.08 au from the Sun and 1.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30830 |
| Provisional designation | 1990 TQ12 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.04 km (#12,643 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.207 |
| Absolute magnitude (H) | 14.76 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.86 – 2.87 au |
| Eccentricity | 0.214 |
| Inclination | 4.68° |
| Closest distance between its orbit and Earth's (MOID) | 0.871 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 14 October 1990
- (5622) Percyjulian
- (5647) Sarojininaidu
- (6447) Terrycole
- (6718) Beiglbock
- (7701) Zrzavy
- (7820) Ianlyon
- (8019) Karachkina
- (8020) Erzgebirge
- (8502) Bauhaus
- (8661) Ratzinger
- (10320) Reiland
- (11887) Echemmon