TD-1A
Sign in to saveAlso known as TD-1A Satellite Mission, Thor-Delta 1A
TD-1A, or Thor-Delta 1A (or just TD-1), was a European astrophysical research satellite which was launched in 1972. Operated by the European Space Research Organisation, TD-1A made astronomical surveys primarily in the ultraviolet, but also using x-ray and gamma ray detectors.
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- Thor Delta-1A small.gif
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- UTC date of spacecraft launch
- 1972-03-12
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- TD-1A
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Article
5 sectionsContents
- Spacecraft
- Instruments
- Launch
- Operation
- References
TD-1A, or Thor-Delta 1A (or just TD-1), was a European astrophysical research satellite which was launched in 1972. Operated by the European Space Research Organisation, TD-1A made astronomical surveys primarily in the ultraviolet, but also using x-ray and gamma ray detectors.
==Spacecraft== TD-1A was named after the Thor-Delta series of rockets, a derivative of which was used to launch it. It was a satellite which measured by by . The spacecraft was three-axis stabilised, with Sun sensors used to maintain a constant attitude with respect to the Sun.