(2645) Daphne Plane

from Wikipedia, the free encyclopedia
Asteroid
(2645) Daphne Plane
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Inner main belt
Major semi-axis 2.3912 ± 0.00001  AU
eccentricity 0.106 ± 0.0004
Perihelion - aphelion 2.1378 ± 0.001 AU - 2.6447 ± 0.0001 AU
Inclination of the orbit plane 13.7872 ± 0.0523 °
Length of the ascending node 349.8352 ± 0.1656 °
Argument of the periapsis 79.2991 ± 0.3156 °
Time of passage of the perihelion January 16, 2018
Sidereal period 3.7 a ± 0.0753 d
Physical Properties
Medium diameter 15.58 ± 1.2 km
Albedo 0.0875 ± 0.015
Rotation period 8.36 h
Absolute brightness 12.0 mag
history
Explorer United StatesUnited States Eleanor Helin
Date of discovery August 30, 1976
Another name 1976 QD ; 1965 SG
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.

(2645) Daphne Plane ( 1976 QD ; 1965 SG ) is an approximately four kilometers large asteroid of the main inner belt that was discovered on August 30, 1976 by the American astronomer Eleanor Helin at the Palomar Observatory about 80 kilometers northeast of San Diego , California ( IAU code 675) was discovered.

designation

(2645) Daphne Plane is named after Daphne Plane, who was the geology librarian at the California Institute of Technology for over 25 years and a long-time friend of the explorer Eleanor Helin.

See also

Web links

Individual evidence

  1. ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp.  186 (English, 992 pp., Link.springer.com [ONLINE; accessed on September 2, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1976 QD. Discovered 1976 Aug. 30 by EF Helin at Palomar. "
predecessor asteroid successor
(2644) Victor Jara numbering (2646) Abetti