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Spectral Analysis of Borowiec SLR Data For Spin Determination Of Geodetic Satellite EGP Cover

Spectral Analysis of Borowiec SLR Data For Spin Determination Of Geodetic Satellite EGP

Open Access
|Feb 2013

Abstract

Borowiec 10 Hz Satellite Laser Ranging (SLR) station is capable to measure spin of the Japanese Experimental Geodetic Satellite (EGP). Spectral analysis of 391 passes measured from March 10, 1994 to November 27, 2009 gives frequency signal representing the 3rd and the 6th harmonics of the satellite spin rate. Analysis of this signal, corrected for the apparent effects, indicates en exponential slowing down of the satellite: the spin rate decreases according to the equation f = 671.115907 ・ exp(-4.08324 x 10-5 ・ D) [mHz], where D is a day after launch. More than 15 years of the SLR measurements allowed investigating the initial spin rate of the satellite fini = 671.116, RMS = 0.203 [mHz] (initial spin period Tini = 1.49006, RMS = 0.0007 [s]).

DOI: https://doi.org/10.2478/arsa-2013-0002 | Journal eISSN: 2083-6104 | Journal ISSN: 1509-3859
Language: English
Page range: 15 - 23
Published on: Feb 12, 2013
Published by: Polish Academy of Sciences, Space Research Centre
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2013 D. Kucharski, S. Schillak, H. C. Lim, T. Otsubo, published by Polish Academy of Sciences, Space Research Centre
This work is licensed under the Creative Commons License.