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OSAM-1
OSAM-1 (On-orbit Servicing, Assembly, and Manufacturing 1) was a 2016-2024 conceptual NASA mission and spacecraft designed to test on-orbit refueling of satellites. The program was cancelled in 2024, two years ahead of its planned launch date. It was initially known as Restore-L.[1][2][3]
Originally scheduled to launch in 2020,[4] its launch at the time of cancellation was planned for no earlier than 2026.[5] The primary objective of the concept mission and spacecraft was the complex refueling of Landsat 7, a satellite launched in 1999, that was not designed for on-orbit servicing. This would have involved grasping the satellite with a mechanical arm, gaining access to the satellite's fuel tank by cutting through insulation and wires and unscrewing a bolt, and then attaching a hose to pump in hydrazine fuel. At the time the mission was conceived, it was expected to be the first refueling of a satellite in space, and a demonstration of the potential to repair some of the thousands of active satellites in orbit and keep them in operation for a longer time.[1] Because the satellites now in space were not designed to be serviced, there are significant challenges to doing so successfully.[1][2]
OSAM-1's second objective, added in 2020, was to deploy a separate robot called SPIDER (Space Infrastructure Dexterous Robot) to build a new structure in space. Using robots to build and assemble new structural components from scratch would be an important step towards a type of space-based construction that had been impossible to date.[1]
- ^ a b c d Kleiner, Kurt (24 February 2022). "Orbiting robots could help fix and fuel satellites in space". Knowable Magazine. doi:10.1146/knowable-022422-1. S2CID 247119849. Retrieved 10 March 2022.
- ^ a b Henshaw, Carl Glen; Glassner, Samantha; Naasz, Bo; Roberts, Brian (3 May 2022). "Grappling Spacecraft". Annual Review of Control, Robotics, and Autonomous Systems. 5: 137–159. doi:10.1146/annurev-control-042920-011106. ISSN 2573-5144. S2CID 242628083. Retrieved 10 March 2022.
- ^ "OSAM-1 Mission". NASA. Retrieved 10 March 2022.
This article incorporates text from this source, which is in the public domain.
- ^ Hall, Loura (22 June 2016). "NASA's Restore-L Mission to Refuel Landsat 7, Demonstrate Technologies". NASA. Retrieved 10 March 2022. This article incorporates text from this source, which is in the public domain.
- ^ "OSAM-1: Proving Satellite Servicing—Starting with Landsat 7". Goddard Space Flight Center. NASA. 26 August 2022. Retrieved 5 December 2023. This article incorporates text from this source, which is in the public domain.
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