Preliminary results of the in-orbit test of ARTEMIS with the Optical Ground Station

Marcos Reyes Garcia-Talavera; Zoran Sodnik; Pablo Lopez; Angel Alonso; Teodora Viera; Gotthard Oppenhauser

doi:10.1117/12.464083

26 April 2002 Preliminary results of the in-orbit test of ARTEMIS with the Optical Ground Station

Marcos Reyes Garcia-Talavera, Zoran Sodnik, Pablo Lopez, Angel Alonso, Teodora Viera, Gotthard Oppenhauser

Proceedings Volume 4635, Free-Space Laser Communication Technologies XIV; (2002) https://doi.org/10.1117/12.464083
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

ESA and the Instituto de Astrofisica de Canarias (IAC) reached an agreemenet for building the Optical Ground Station (OGS), in the IAC Teide Observatory, in order to perform In Orbit Testing (IOT) of Optical Data Relay payloads onboard communication satellites, the first being ARTEMIS. During its recent launch, ARTEMIS was put into a degraded orbit due to a malfunction on the launcher's upper stage. ESA rapidly adopted a recovery strategy aimed to take the satellite to its nominal geostationary position. After completion of the first manoeuvres, ARTEMIS was successfully positioned in a circular parking orbit, at about 31,000 kilometers, and turned into full operation. In this orbit, its optical payload has been tested with the OGS, before establishing the link with SPOT IV. New tracking algorithms were developed at OGS control system in order to correct for ARTEMIS new orbit. The OGS has established a bi-directional link to ARTEMIS, behaving, seen from ARTEMIS, as a LEO terminal. Preliminary results are presented on the space-to- ground bi-directional link, including pointing acquisition and tracking (PAT) performance, received beam characterization and BER measurements.

Citation Download Citation

Marcos Reyes Garcia-Talavera, Zoran Sodnik, Pablo Lopez, Angel Alonso, Teodora Viera, and Gotthard Oppenhauser "Preliminary results of the in-orbit test of ARTEMIS with the Optical Ground Station", Proc. SPIE 4635, Free-Space Laser Communication Technologies XIV, (26 April 2002); https://doi.org/10.1117/12.464083

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