(9815) Mariakirch

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Asteroid
(9815) Mariakirch
Properties of the orbit ( animation )
Epoch:  June 27, 2015 ( JD 2,457,200.5)
Orbit type Main belt asteroid
Major semi-axis 2.8082  AU
eccentricity 0.0733
Perihelion - aphelion 2.6023 AU - 3.0141 AU
Inclination of the orbit plane 4.8517 °
Length of the ascending node 338.5196 °
Argument of the periapsis 79.0184 °
Sidereal period 4.71 a
Mean orbital velocity 17.77 km / s
Physical Properties
Absolute brightness 13.8 mag
history
Explorer C. J. v. Houten , I. v. Houten-Groeneveld
T. Gehrels
Date of discovery September 24, 1960
Another name 2079 PL , 1953 GE 2
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.

(9815) Mariakirch is an asteroid of the main belt that was discovered on September 24, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery was made as part of the Palomar-Leiden survey , during which Tom Gehrels examined field plates recorded at the University of Leiden with the 120 cm Oschin Schmidt telescope of the Palomar observatory ( IAU code 675) .

The asteroid was named on November 11, 2000 after the German astronomer Maria Margaretha Kirch (1670-1720), who discovered the comet of 1702 and observed the variable star Mira Ceti .

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