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 |
Alternate name(s) | 1922 SC, 1939 PP, 1939 TD, 1941 BB, 1948 RQ, 1948 RS1, 1948 TS1, 1950 DP, 1961 TZ1 |
Epoch August 27, 2011 (JD 2455800.5) | |
Aphelion | 3.244 AU[1] |
Perihelion | 2.0732734 AU |
Semi-major axis | 2.6585295 AU |
Eccentricity | 0.2201428 |
Orbital period | 4.33 a |
Average orbital speed | 18.27 km/s |
Mean anomaly | 181.36747° |
Inclination | 14.27791° |
Longitude of ascending node | 323.50418° |
Argument of perihelion | 57.89113° |
Physical characteristics
|
|
Dimensions | diameter 18.93km |
Rotation period | 0,2446 d (5,867 h) |
Albedo | 0.1489 |
Absolute magnitude (H) | 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]
|
|