1719 Jens
 1719 Jens tracks across this image of the Tadpole Nebula, seen as a line of yellow-green dots near centre. | |
| Discovery | |
|---|---|
| Discovered by | Karl Reinmuth |
| Discovery date | February 17, 1950 |
| Designations | |
Named after | Reinmuth's grandson |
| 1922 SC, 1939 PP, 1939 TD, 1941 BB, 1948 RQ, 1948 RS1, 1948 TS1, 1950 DP, 1961 TZ1 | |
| Orbital characteristics | |
| Epoch August 27, 2011 (JD 2455800.5) | |
| Aphelion | 3.244 AU[1] |
| Perihelion | 2.0732734 AU |
| 2.6585295 AU | |
| Eccentricity | 0.2201428 |
| 4.33 a | |
Average orbital speed | 18.27 km/s |
| 181.36747° | |
| Inclination | 14.27791° |
| 323.50418° | |
| 57.89113° | |
| Physical characteristics | |
| Dimensions | diameter 18.93km |
| 0,2446 d (5,867 h) | |
| Albedo | 0.1489 |
| 11.3 | |
1719 Jens (provisional designation: 1950 DP) is a main belt asteroid about 19 km (12 miles) in diameter with an orbital period of 1583.2978264 days (4.33 years).[2] It rotates every 5.9 hours.[3]
Jens was discovered on February 17, 1950 by Karl Reinmuth from the Heidelberg-Königstuhl State Observatory, then in West Germany. Reinmuth named it after his grandson.[4]
In 2010, NASA's Wide-field Infrared Survey Explorer satellite photographed Jens crossing the Tadpole Nebula.[5]
References
- ^ "(1719) Jens = 1922 SC = 1939 PP = 1939 TD = 1941 BB = 1948 RQ = 1948 RS1 = 1948 TS1 = 1950 DP = 1961 TZ1". Minor Planet Center. Retrieved 2011-10-01.
- ^ "JPL Small-Body Database Browser". NASA. Retrieved 2008-04-30.
- ^ "Asteroid Caught Marching Across Tadpole Nebula". NASA. Retrieved 2011-10-01.
- ^ Lutz D. Schmadel, Dictionary of Minor Planet Names, p.136.
- ^ "Asteroid Caught Marching Across Tadpole Nebula", JPL Photojournal, 13 May 2010.
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