Proton 3 (N-4 No.4), a heavy Soviet scientific satellite for cosmic-ray and high-energy particle research. UR-500 (Proton) from Baikonur Site 81/23 lofted the multi-tonne payload into LEO on 6 July 1966; it reentered on 16 September after about two months of astrophysics measurements.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 12.2 T
- Flight
- 4th
- of 4 UR-500 flights
- Date and time
- 6 July 1966, 12:57 UTC
- Rocket
- UR-500
- Builder
- Khrunichev
- Launch site
- 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
- Payload
- Astrophysics
- International designator
- 1966-060
- Launches in 1966
- 67th of 131
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas