Space Launch CalendarHome › 1977 › Proton-K/DM
Ekran No. 12L on Proton-K/DM, 1977-09-20 (Success)
ResultSuccess
Date1977-09-20 17:28 UTC
VehicleProton-K/DMProton-K/DM
Proton-K/DM flight no.8success rate so far 100%
No. in 197794 / 128orbital attempts
Agency countrySoviet UnionRVSN
| Item | Value |
|---|---|
| Launch site | NIIP-5, Baykonur, Kazakstan |
| Payload | Ekran No. 12L |
| GCAT launch tag | 1977-092 |
| Mass to orbit | 2.8 t |
Neighbouring Proton-K/DM launches
| Date | Payload | Vehicle | Site | Result |
|---|---|---|---|---|
| 1975-10-08 | Oko? | Proton-K/DM | NIIP-5 | Success |
| 1975-12-22 | Gran' No. 11L | Proton-K/DM | NIIP-5 | Success |
| 1976-09-11 | Gran' No. 12L | Proton-K/DM | NIIP-5 | Success |
| 1976-10-26 | Ekran No. 11L | Proton-K/DM | NIIP-5 | Success |
| 1977-07-23 | Gran' No. 13L | Proton-K/DM | NIIP-5 | Success |
| 1977-09-20 | Ekran No. 12L | Proton-K/DM | NIIP-5 | Success |
| 1978-05-27 | Ekran No. 13L | Proton-K/DM | NIIP-5 | Failure |
| 1978-07-18 | Gran' No. 14L | Proton-K/DM | NIIP-5 | Success |
| 1978-08-17 | Ekran No. 15L | Proton-K/DM | NIIP-5 | Failure |
| 1978-10-17 | Ekran No. 14L | Proton-K/DM | NIIP-5 | Failure |
| 1978-12-19 | Gorizont No. 11L | Proton-K/DM | NIIP-5 | Success |
Proton-K/DM launches per year
Counts orbital launch attempts (successes and failures); suborbital flights excluded. Countries are those of the launching agency.