(2659) Millis

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Asteroid
(2659) Millis
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Outer main belt
Asteroid family Themis family
Major semi-axis 3.1278 ± 0.0002  AU
eccentricity 0.1034 ± 0.0004
Perihelion - aphelion 2.8043 ± 0.0011 AU - 3.4513 ± 0.0002 AU
Inclination of the orbit plane 1.3214 ± 0.0415 °
Length of the ascending node 157.2249 ± 0.0002 °
Argument of the periapsis 329.6626 ± 0.0002 °
Time of passage of the perihelion June 24, 2018
Sidereal period 5.53 a ± 0.1536 d
Physical Properties
Medium diameter 27.878 ± 0.337 km
Albedo 0.050 ± 0.003
Rotation period 6.132 h
Absolute brightness 11.6 mag
Spectral class SMASSII: B
history
Explorer United StatesUnited States Edward LG Bowell
Date of discovery May 5th 1981
Another name 1981 JX ; 1958 DX; 1972 TP 2 ; 1978 UK 2 ; 1978 WX 14
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.

(2659) Millis ( 1981 JX ; 1958 DX ; 1972 TP 2 ; 1978 UK 2 ; 1978 WX 14 ) is an approximately 28 km large asteroid of the outer main belt that was discovered on May 5, 1981 by the American astronomer Edward LG Bowell at Lowell Observatory , Anderson Mesa Station ( Anderson Mesa ) near Flagstaff , Arizona ( IAU code 688). It belongs to the Themis family, a group of asteroids named after (24) Themis .

designation

(2659) Millis was named after the American astronomer Robert Millis , who is a planetary astronomer at the Lowell Observatory (IAU code 690).

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): “1981 JX. Discovered 1981 May 5 by E. Bowell at Anderson Mesa. "
predecessor asteroid successor
(2658) Gingerich numbering (2660) Aquarius