1719 Jens

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
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]

References