First attempt to launch Object D (Sputnik D-1 No.1), the heavy Soviet scientific satellite later flown as Sputnik 3, on an 8A91 from Baikonur on 27 April 1958. The launch vehicle disintegrated about 88 seconds after liftoff and the ~1.3-tonne payload was lost.
- Outcome
- Failure
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- of 2 Sputnik 8A91 flights
- Date and time
- 27 April 1958, 07:00 UTC
- Rocket
- Sputnik 8A91
- Builder
- RKK Energia
- Launch site
- 1/5, Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Earth Science
- Launches in 1958
- 6th of 28