(4768) Hartley

from Wikipedia, the free encyclopedia
Asteroid
(4768) Hartley
Properties of the orbit ( animation )
Epoch:  4th September 2017 ( JD 2,458,000.5)
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