(3456) Etiennemarey

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Asteroid
(3456) Etiennemarey
Properties of the orbit ( animation )
Epoch:  July 31, 2016 ( JD 2,457,600.5)
Orbit type Main belt asteroid
Major semi-axis 2.1641  AU
eccentricity 0.0152
Perihelion - aphelion 2.1313 AU - 2.1968 AU
Inclination of the orbit plane 1.7792 °
Length of the ascending node 78.3548 °
Argument of the periapsis 165.5922 °
Sidereal period 3.18 a
Mean orbital velocity 20.24 km / s
Physical Properties
Medium diameter 4.292 km
Albedo 0.348
Absolute brightness 13.7 mag
history
Explorer Henri Debehogne
Date of discovery 5th September 1985
Another name 1985 RS 2 , 1931 TP 4 , 1978 JL 1 , 1979 UM 4 , 1979 VR, 1981 EZ 1 , 1981 FB 1 , 1982 RY 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.

(3456) Etiennemarey is an asteroid of the main belt , which on 5 September 1985 by the Belgian astronomer Henri DEBEHOGNE at La Silla Observatory ( IAU code 809) of the European Southern Observatory in Chile was discovered.

The asteroid was named on May 23, 2000 after the French physiologist , inventor and photography pioneer Étienne-Jules Marey (1830–1904), who developed an improved sphygmograph around 1860 .

See also

Web links