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Inmarsat-4A F4, also known as Alphasat and Inmarsat-XL, is a large geostationary communications I-4 satellite operated by United Kingdom-based Inmarsat in partnership with the European Space Agency. Launched in 2013, it is used to provide mobile communications to Africa and parts of Europe and Asia .
The satellite bus was built by Orbital Sciences Corporation. The mass of the satellite was 368 kg. It was lost in a launch failure. On 21 September 2001, a Taurus XL rocket failed during launch. When the second stage ignited at T+83 seconds, a nozzle gimbal actuator drive shaft seized for approximately 5 seconds causing loss of control.
PSLV-C37 was the 39th mission of the Indian Polar Satellite Launch Vehicle (PSLV) program and its 16th mission in the XL configuration undertaken by the Indian Space Research Organisation (ISRO).
Eighth PSLV-XL and fourth Navigation Satellite launch. [101] C28: 10 July 2015 16:28 PSLV-XL First: UK-DMC3A UK-DMC3B UK-DMC3C CBNT-1 DeOrbitSail: 447 kg 447 kg 447 kg 91 kg 7 kg Success At the time it was the heaviest commercial mission (1439 kg) successfully accomplished using a launch vehicle assembled by ISRO. [102] [103] [104] C30 28 ...
PSLV-C40 was the 42nd mission of the Indian Polar Satellite Launch Vehicle (PSLV) program in the XL configuration. PSLV-C40 successfully carried and deployed 31 satellites in Sun-synchronous orbits. [1]
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Landmapper is a remote sensing satellite constellation built and operated by Astro Digital (formerly known as Aquila Space). [1] It consists of two separate satellite designs: Landmapper-BC and Landmapper-HD (formerly known as Corvus-BC and Corvus-HD [2]).
The Orbiting Carbon Observatory (OCO) was a failed NASA satellite mission intended to provide global space-based observations of atmospheric carbon dioxide (CO 2). The original spacecraft was lost in a launch failure on 24 February 2009, when the payload fairing of the Taurus rocket which was carrying it failed to separate during ascent. [ 3 ]