(11755) Paczynski

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Asteroid
(11755) Paczynski
Properties of the orbit ( animation )
Epoch:  June 27, 2015 ( JD 2,457,200.5)
Orbit type Main belt asteroid
Asteroid family Hertha family
Major semi-axis 2.3843  AU
eccentricity 0.1530
Perihelion - aphelion 2.0195 AU - 2.7490 AU
Inclination of the orbit plane 2.8233 °
Length of the ascending node 32.7001 °
Argument of the periapsis 192.3711 °
Sidereal period 3.68 a
Mean orbital velocity 19.29 km / s
Physical Properties
Absolute brightness 14.7 mag
history
Explorer Cornelis Johannes van Houten ,
Ingrid van Houten-Groeneveld ,
Tom Gehrels
Date of discovery September 24, 1960
Another name 2691 PL , 1999 CW 20
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items.

(11755) Paczynski is an asteroid of the main belt that was discovered on September 24, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery came about as part of the Palomar-Leiden survey , during which Tom Gehrels examined field plates recorded at the University of Leiden with the 120 cm Oschin Schmidt telescope of the Palomar observatory .

The asteroid belongs to the Nysa group, a group of asteroids named after (44) Nysa, which is also known as the Hertha family (after (135) Hertha ).

(11755) Paczynski was named on March 6, 2004 after the Polish astronomer and astrophysicist Bohdan Paczyński (1940-2007).

See also

Individual evidence

  1. ↑ (11755) Paczynski in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).

Web links