Space Launch CalendarMech-KU No. 305 on Proton-K, 1991-03-31 (Success)
ResultSuccess
Date1991-03-31 15:12 UTC
VehicleProton-KProton-K
Proton-K flight no.25success rate so far 88%
No. in 199124 / 91orbital attempts
Agency countrySoviet UnionUNKS
| Item | Value |
|---|---|
| Launch site | GIK-5, Baykonur, Kazakstan |
| Payload | Mech-KU No. 305 |
| GCAT launch tag | 1991-024 |
| Mass to orbit | 18.5 t |
Neighbouring Proton-K launches
| Date | Payload | Vehicle | Site | Result |
|---|---|---|---|---|
| 1986-11-29 | Mech-K No. 303 | Proton-K | NIIP-5 | Failure |
| 1987-03-31 | TsM-e 37Ke No. 010 | Proton-K | NIIP-5 | Success |
| 1987-07-25 | Mech-K No. 304 | Proton-K | NIIP-5 | Success |
| 1989-11-26 | TsM-D | Proton-K | GIK-5 | Success |
| 1990-05-31 | TsM-T 77KST No. 17201 | Proton-K | GIK-5 | Success |
| 1991-03-31 | Mech-KU No. 305 | Proton-K | GIK-5 | Success |
| 1995-05-20 | TsM-O No. 17301 | Proton-K | GIK-5 | Success |
| 1996-04-23 | TsM-I 77KSI No. 17401 | Proton-K | GIK-5 | Success |
| 1998-11-20 | 77KM No. 17501 | Proton-K | GIK-5 | Success |
| 2000-07-12 | 77KSM No. 128-01 | Proton-K | GIK-5 | Success |
Proton-K launches per year
Counts orbital launch attempts (successes and failures); suborbital flights excluded. Countries are those of the launching agency.