(2163) Korczak
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Asteroid (2163) Korczak |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main outer belt asteroid |
| Asteroid family | Themis family |
| Major semi-axis | 3.1432 AU |
| eccentricity | 0.1889 |
| Perihelion - aphelion | 2.5493 AU - 3.7370 AU |
| Inclination of the orbit plane | 2.5096 ° |
| Length of the ascending node | 113.3057 ° |
| Argument of the periapsis | 265.0554 ° |
| Time of passage of the perihelion | May 3, 2016 |
| Sidereal period | 5.57 a |
| Mean orbital velocity | 16.81 km / s |
| Physical Properties | |
| Medium diameter | 24.368 km (± 0.192) |
| Albedo | 0.075 (± 0.016) |
| Absolute brightness | 11.7 mag |
| history | |
| Explorer | Crimean Observatory , Nautschnyj |
| Date of discovery | 16th September 1971 |
| Another name | 1971 SP 1 , 1949 XK, 1951 EM 1 , 1954 SP 1 , 1960 WR, 1976 OW |
| 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. | |
(2163) Korczak is an asteroid of the main outer belt that was discovered on September 16, 1971 at the Crimean Observatory in Nautschnyj ( IAU code 095). Unconfirmed sightings of the asteroid had already taken place several times, including on December 14, 1949 (1949 XK), September 27, 1954 (1954 SP 1 ) and November 25, 1960 (1960 WR) at the Goethe Link Observatory in Indiana .
The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis . The timeless (non- osculating ) orbital elements of (2163) Korczak are almost identical to those of the two smaller ones, assuming the absolute magnitude of 16.5 and 16.1 compared to 11.7, asteroids (329071) 2011 BO 8 and ( 337879) 2001 WV 67 .
The mean diameter of the asteroid was calculated to be 24.368 km (± 0.192) and the albedo to be 0.075 (± 0.016).
(2163) Korczak was named on April 1, 1980 after the Polish doctor , educator and children's book author Janusz Korczak , who died in 1942 in the Treblinka extermination camp .
Web links
- (2163) Korczak in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (2163) Korczak in the Small-Body Database of the Jet Propulsion Laboratory (English).
Individual evidence
- ↑ (2163) Korczak at the IAU Minor Planet Center (English)
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)
- ↑ Minor Planets Circulars of April 1, 1980 of the International Astronomical Union (IAU), # 5429, page 36 ( PDF , English; 85 kB)