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SNAP-1 (Surrey Nanosatellite Applications Platform) was designed and built as a research mission by a joint academic-commercial team at the Surrey Space Centre and SSTL - funded entirely by SSTL. The objective of SNAP-1 is to demonstrate in orbit the capabilities of advanced, highly integrated nanosatellites and their use as autonomous robots for observing orbiting space vehicles.

In addition to the machine vision payload, SNAP-1 carries a miniature propulsion system, the size of a pencil, using butane. This is currently being used to manoeuvre the nanosatellite to rendezvous with the Chinese Tsinghua 1 microsatellite. Also on-board this tiny spacecraft are other miniature systems: a momentum wheel and magnetorquers for 3-axis attitude control; a GPS receiver for autonomous orbit determination; a 220 MHz 'StrongARM' 1100 on-board computer for housekeeping and high level vision functions; and an S-band communications system.

Nation: UK
Type / Application: Technology
Operator: SSTL
Contractors: SSTL
Configuration: SNAP bus
Power: Solar cells, batteries
Mass: 6 kg
Orbit: 683 km × 706 km, 98.13
Satellite COSPAR Date LS Launch Vehicle Remarks
SNAP 1 2000-033C 28.06.2000 Pl LC-132/1 Kosmos-3M with Nadezhda 6, Tsinghua 1


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