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CNUSail 1 (Papillon)

CNUSail-1 (Papillon) [Chungnam National University]

CNUSail 1 (Chungnam National University Sail) or Papillon is a solar sail experiment based on a 3U cubesat developed at the Chungnam National University, South Korea.

The purpose of the CNUSAIL-1 is to successfully deploy the solar sail in Low Earth Orbit (LEO) and to perform de-orbiting using the sail membrane as a drag-sail. Deployment systems consist of quadrant sail membranes, four steel booms, and a spiral torsional. To produce high propellant, Kapton sheet with ultra-thin thickness (about 0.25 µm) is prepared as the sail membranes. The proposed Steel booms are C-shaped with 0.2 mm wall thickness and have a weight of 72 g per meter. The booms in the CNUSAIL-1 have 1.42 m length when fully deployed.

The satellite was to be launched as a secondary payload on a Falcon-9 v1.2 rocket, but was later moved to a PSLV-XL rocket. It wass expected to operate for three months.

Launch and deployment was successful, but the satellite apparently failed to work.

Nation: South Korea
Type / Application: Technology
Operator: Chungnam University
Contractors: Chungnam University
Equipment: Solar sail
Configuration: CubeSat (3U)
Propulsion: None
Power: Solar cells, batteries
Lifetime: 3 months
Mass: 4 kg
Orbit: 493 km × 506 km, 97.55°
Satellite COSPAR Date LS Launch Vehicle Remarks
CNUSail 1 (Papillon) 2018-004Y 12.01.2018 Sr FLP PSLV-XL with Cartosat 2F, Microsat-TD, LEO Vantage 1, Carbonite 2, ICEYE X1, INS 1C, Arkyd 6A, CICERO 7, Landmapper-BC 3 v2, Lemur-2 68, ..., 71, Flock-3p' 1, ..., 4, MicroMAS 2a, PicSat, CANYVAL-X 1, 2, KAUSAT 5, SIGMA, DemoSat 2, GeoStare, Fox 1D, STEP Cube Lab, SpaceBEE 1, ..., 4


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