(9712) Nauplius
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Asteroid (9712) Nauplius |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.2340 AU |
| eccentricity | 0.1262 |
| Perihelion - aphelion | 4.5737 AU - 5.8943 AU |
| Inclination of the orbit plane | 8.4622 ° |
| Length of the ascending node | 176.6252 ° |
| Argument of the periapsis | 274.1442 ° |
| Sidereal period | 11.97 a |
| Mean orbital velocity | 13.01 km / s |
| Physical Properties | |
| Medium diameter | 33,423 (± 4,321) km |
| Albedo | 0.083 (± 0.026) |
| Rotation period | 19.41 h |
| Absolute brightness | 10.9 likes |
| history | |
| Explorer | C. J. and I. v. Houten-Groeneveld , T. Gehrels |
| Date of discovery | 19th September 1973 |
| Another name | 1973 SO 1 , 1978 EO 9 , 1989 EB 8 |
| 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. | |
(9712) Nauplius is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit . (9712) Nauplius was discovered on September 19, 1973 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld , using field plates recorded by Tom Gehrels with the 120 cm Oschin Schmidt telescope of the Palomar observatory at the university Leiden were screened. It is assigned to the Lagrangian point L 4 .
The asteroid was named on April 2, 1999 after the mythological figure of Nauplios , the king of Evia .
See also
Web links
- Asteroid Nauplius: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Nauplius in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (9712) Nauplius in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
Individual evidence
- ↑ NASA: 9712 Nauplius. In: JPL Small-Body Database. Retrieved March 22, 2010 .