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These satellites are two unidentified US government owned satellites.

They were launched in February 2021 on the Cygnus CRS-15 cargo craft. It will be deployed from Cygnus after departing the ISS.

Nation: USA
Type / Application: Technology
Operator: SMDC
Contractors: Los Alamos National Laboratory (LANL) (satellite)
Equipment:
Configuration: CubeSat (3U)
Propulsion: None
Power: 4 deployable fixed solar arrays, batteries
Lifetime: 3-5 years
Mass: 5 kg
Orbit:
Satellite COSPAR Date LS Launch Vehicle Remarks
? 2021-013 20.02.2021 WI LC-0A Antares-230+ with Cygnus CRS-15, Lawkanat 1, Gunsmoke-J 2, ?, IT-SPINS, TAU-SAT 1, MYSAT 2, STARS-EC, OPUSAT 2, RSP 01, WARP 01, TUMnanoSAT, MAYA 2, Guaranisat 1, Tsuru, ThinSat 2A, ..., 2I
? 2021-013 20.02.2021 WI LC-0A Antares-230+ with Cygnus CRS-15, Lawkanat 1, Gunsmoke-J 2, ?, IT-SPINS, TAU-SAT 1, MYSAT 2, STARS-EC, OPUSAT 2, RSP 01, WARP 01, TUMnanoSAT, MAYA 2, Guaranisat 1, Tsuru, ThinSat 2A, ..., 2I

References: