Space Launch CalendarYantar'-2K No. 6 on Soyuz-U, 1977-04-26 (Success)
ResultSuccess
Date1977-04-26 14:45 UTC
VehicleSoyuz-USoyuz-U
Soyuz-U flight no.58success rate so far 95%
No. in 197731 / 128orbital attempts
Agency countrySoviet UnionRVSN
| Item | Value |
|---|---|
| Launch site | 53-y Nauchno-Issledovatelskiy Ispitatelniy Poligon, |
| Payload | Yantar'-2K No. 6 |
| GCAT launch tag | 1977-030 |
| Mass to orbit | 6.6 t |
Neighbouring Soyuz-U launches
| Date | Payload | Vehicle | Site | Result |
|---|---|---|---|---|
| 1977-03-03 | Zenit-6 | Soyuz-U | NIIP-53 | Success |
| 1977-03-10 | Zenit-4MK | Soyuz-U | NIIP-53 | Success |
| 1977-03-17 | Zenit-2M | Soyuz-U | NIIP-53 | Success |
| 1977-04-07 | Zenit-4MK | Soyuz-U | NIIP-53 | Success |
| 1977-04-20 | Zenit-2M | Soyuz-U | NIIP-5 | Success |
| 1977-04-26 | Yantar'-2K No. 6 | Soyuz-U | NIIP-53 | Success |
| 1977-05-05 | Zenit-4MK | Soyuz-U | NIIP-53 | Success |
| 1977-05-17 | Zenit-4MK | Soyuz-U | NIIP-5 | Success |
| 1977-05-26 | Fram | Soyuz-U | NIIP-53 | Success |
| 1977-05-31 | Zenit-2M | Soyuz-U | NIIP-5 | Success |
| 1977-06-08 | Zenit-4MK | Soyuz-U | NIIP-53 | Success |
Soyuz-U launches per year
Counts orbital launch attempts (successes and failures); suborbital flights excluded. Countries are those of the launching agency.