Kosmos-2I 63S1 | Sputnik 15
Kosmos-2I 63S1 | Sputnik 15 rode a Kosmos-2I 63S1 into space from Kapustin Yar, Russian Federation, deploying its payload to Elliptical.
- Launch time
- Status
- SUCCESS
- Operator
- Soviet Space Program
- Mission type
- Astrophysics
- Rocket
- Kosmos-2I 63S1
- Launch site
- Kapustin Yar, Russian Federation
- Launch pad
- Mayak-2
- Payload
- —
- Target orbit
- Elliptical

Mission timeline
- 1962-05-28T03:00:00.000ZLiftoff confirmed — Kosmos-2I 63S1 is airborne.
- Max Q — Kosmos-2I 63S1 endures peak structural stress during ascent.
- First-stage main engine cutoff (MECO) confirmed.
- The spent first stage separates from the upper stage.
- Upper stage ignites, continuing the journey toward orbit.
- The mission reaches Elliptical, successfully entering orbit.
- The mission concludes successfully.