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Kent Ridge 1 (KR 1)

Kent Ridge 1 (KR 1) [BST]

Kent Ridge 1 (KR 1) is a hyperspectral imaging microsatellite developed at the National University of Singapore in collaboration with Berlin Space Technologies (BST).

Advances in Singapore based R&D in the field of Fourier transform recovery (FTR) enable micro satellites to carry hyper spectral payloads that work simultaneously in the VNIR (400-900 nm) and SWIR (900-1700 nm) bands, enabling multitudes of new applications in the monitoring of land, water and vegetation and thus will be useful to contribute towards the effort to prevent and manage such disasters in this region.

The 80 kg Kent Ridge 1 is based on Berlin Space Technologies' LEOS-50 platform with upgrades to fit the specific needs of this mission such high internal data rate (2.2 Gbit/s) and high speed data transmitter (100Mbit/s). The satellite is powered by body mounted solar cells.

Kent Ridge 1 carries three payloads, two medium resolution hyper spectral payloads based on the FTR method (PPL1 and PPL2) developed at the National University of Singapore and one high resolution video payload (SPL) developed at BST.

PPL1 works in the 500-900 nm and has a ground resolution of 44 m and a swath width of 47.5 km while PPL2 works in the 900-1500 nm spectral band with a ground resolution of 110 m and a swath width of 56.3 km. The hig resolution SPL works in the 450-630 nm spectral range with a ground resolution of 6 m and a frame area of 5.75 km × 4.75 km.

Kent Ridge 1 is scheduled for launch in Q4 2015 as a secondary payload on an Indian PSLV-CA launch vehicle and will be flying in a near equatorial orbit of 550 km altitude with around 15° inclination. This orbit has the added benefit of fast repeat cycles over the area a desired feature in disaster mitigation.

Nation: Singapore
Type / Application: Earth Observation
Operator: National University of Singapore
Contractors: National University of Singapore, Berlin Space Technologies
Equipment: PPL1 and PPL2 hyperspectral imager, SPL hirgh rsolution video camera
Configuration: LEOS-50 bus
Propulsion:
Power: Solar cells, batteries
Lifetime: 5 years
Mass: 78 kg
Orbit: 533 km × 549 km, 15°
Satellite COSPAR Date LS Launch Vehicle Remarks
Kent Ridge 1 (KR 1) 2015-077B 16.12.2015 Sr FLP PSLV-CA with TeLEOS 1, VELOX C1, VELOX 2, Athenoxat 1, Galassia

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