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Autonomous Space Transport Robotic Operations (ASTRO), was an American technology demonstration satellite which was operated as part of the Orbital Express program. It was used to demonstrate autonomous servicing and refuelling operations in orbit, performing tests on the NEXTSat satellite which was launched with ASTRO for that purpose. [2]
Orbital Express: ASTRO and NEXTSat. The project hoped to demonstrate several satellite servicing operations and technologies including rendezvous, proximity operations and station keeping, capture, docking, fluid transfer (specifically, hydrazine on this mission), and ORU (Orbit Replaceable Unit) transfer.
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NEXTSat was a 224-kilogram (494 lb) spacecraft, [2] which was built by Ball Aerospace around the RS-300 satellite bus. [4] It was operated in low Earth orbit ; on 9 March 2007, it had a perigee of 490 kilometres (300 mi), an apogee of 498 kilometres (309 mi), 46.0 degrees of inclination , and an orbital period of 94.49 minutes. [ 5 ]
Astropy is a collection of software packages written in the Python programming language and designed for use in astronomy. [2] The software is a single, free, core package for astronomical utilities due to the increasingly widespread usage of Python by astronomers, and to foster interoperability between various extant Python astronomy packages. [3]
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