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ERA 1 is a Russian military nanosatellite built for the Russian Ministry of Defense.

No details are known. Likely the satellite is a CubeSat of an unknown size. Reportedly it is designed to test advanced microdevices and microsystems of orientation and astronavigation. The manufacturer was likely CNIIHM, as indicated by documents about a legal dispute concerning this launch.

ERA 1 was launched as a piggy-back payload. After reaching orbit, it was assigned the designation Kosmos 2548.

Nation: Russia
Type / Application: Technology
Operator: VKS ?
Contractors: CNIIHM
Configuration: CubeSat (?U) ?
Power: Solar cells, batteries
Orbit: 1480 km 1507 km, 82.52
Satellite COSPAR Date LS Launch Vehicle Remarks
Kosmos 2548 (ERA 1) 2020-091D 03.12.2020 Pl LC-43/3 Soyuz-2-1b Fregat with Gonets-M 20, Gonets-M 21, Gonets-M 22

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