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DLR-Tubsat
German satellite From Wikipedia, the free encyclopedia
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DLR-Tubsat (a.k.a. TUBSAT) was a German remote sensing microsatellite, developed in a joint venture between Technische Universität Berlin (TUB) and German Aerospace Center (DLR). TU Berlin was responsible for the satellite bus and DLR was responsible for the payload.[1] The satellite was launched into orbit on 26 May 1999, on the fifth mission of the PSLV program PSLV-C2. The launch took place in the Sriharikota Launching Range.[2][3] The satellite had an expected life of one year.[4][5][6]
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Mission objectives
The prime objective of DLR-Tubsat was to test the attitude control system (S/C attitude recovery from hibernation). The secondary objective of the mission was to test a TV camera system for disaster monitoring with the goal of the introduction of an interactive Earth observation concept, where the target is not identified in advance, a search action may be involved, or a particular target region has to be followed visually from orbit.[1][7][4]
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Specifications
- Dimension: 32 x 32 x 32 cm
- Launch mass: 45 kg (99 lb)
- Solar panel: Four
- Batteries: Four NiH2
- Video camera: Three CCD
- 16 mm wide-angle camera with black-and-white chip
- 50 mm standard-angle camera with color CCD chip
- 1000 mm telephoto lens camera with black-and-white chip
- Attitude control system: Three wheel / gyro pairs
- Reaction wheels: Three
- Laser gyro: Three
- VHF / UHF TT & C system
- S band transmitter and antenna
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See also
References
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