- Family: Kosmos 63S1
- Length: 31 m
- Diameter: 1.6 m
- Launch Mass: 48 T
- Low Earth Orbit Capacity: 300 kg
The Kosmos-2I was manufactured by Strategic Rocket Forces with the first launch on 1961-10-27. Kosmos-2I has 26 successful launches and 12 failed launches with a total of 38 launches. Kosmos-2I is the designation applied to two Soviet carrier rockets which were used to orbit satellites between 1961 and 1977.