(11755) Paczynski
Asteroid (11755) Paczynski |
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Properties of the orbit ( animation ) | |
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
- ↑ (11755) Paczynski in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Web links
- Asteroid Paczynski: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (11755) Paczynski in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (11755) Paczynski in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).