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Space experiment of satellite laser ranging of the SC «Lomonosov»

Keywords:

A.S. Akentyev - Leading Engineer, JSC «RPC «PSI» (Mocsow)
E-mail: alexander.akentev@gmail.com
A.L. Sokolov - Dr.Sc. (Eng.), Head of Scientific and Technical Division, JSC «RPC «PSI» (Moscow)
E-mail: alsokolov@bk.ru
G.V. Simonov - Head of Scientific and Technical Department, Branch «AOLC n. a. G.S. Titov» JSC «RPC «PSI» (Moscow)
E-mail: nto@aolc.ru


Currently the method of two way pulse satellite laser ranging is one of the main methods of the satellite geodesy which support the basic geodetic coordinate systems. The accuracy of the results of the laser measurements is mainly determined by the target error due to the reflection of the laser pulse from the retroreflector array, the inaccuracy in calculating the refraction of the laser beam in the Earth's troposphere and the features of the laser pulse detecting by the photo detector of the quantum optical systems. Currently the accuracy of the laser ranging results is approached to sub-millimeter value and thus there is need to create modern retroreflector arrays with sub-millimeter value of the target error. The article presents the retroreflector array «Pyramid» with a value of the target error less than 1 mm. In order to estimate the operational characteristics prototypes of the retroreflector array «Pyramid» were installed on the spacecraft «Lomonosov» launched 28 April 2016 from the cosmodrome «Vostochny». The results of the space experiment of satellite laser ranging of the spacecraft «Lomonosov» make it possible to recommend the using of the retroreflector array «Pyramid» on a low Earth orbit satellites. 

References:
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