(4768) Hartley
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Asteroid (4768) Hartley |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.1754 AU |
| eccentricity | 0.2371 |
| Perihelion - aphelion | 2.4226 AU - 3.9282 AU |
| Inclination of the orbit plane | 20.0804 ° |
| Length of the ascending node | 320.4956 ° |
| Argument of the periapsis | 26.5591 ° |
| Sidereal period | 5.66 a |
| Mean orbital velocity | 16.69 km / s |
| Physical Properties | |
| Medium diameter | 34.349 ± 0.485 km |
| Albedo | 0.039 |
| Rotation period | 22.08 h |
| Absolute brightness | 11.3 mag |
| history | |
| Explorer | Andrew J. Noymer |
| Date of discovery | August 11, 1988 |
| Another name | 1988 PH 1 |
| 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. | |
(4768) Hartley is an asteroid of the main belt , which on 11 August 1988 by Australian astronomer Andrew J. Noymer at Siding Spring Observatory ( IAU code 413) in Australia was discovered.
The asteroid was named after the Australian astronomer and comet discoverer Malcolm Hartley , who works at the Siding Spring Observatory.
See also
Web links
- Asteroid Hartley: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (4768) Hartley in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (4768) Hartley in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).