Proton-K/17S40 | Iridium 27 to 33
A Proton-K/17S40 rocket launched Proton-K/17S40 | Iridium 27 to 33 from Baikonur Cosmodrome, Republic of Kazakhstan, targeting LEO.
- Launch time
- Status
- SUCCESS
- Operator
- Khrunichev State Research and Production Space Center
- Mission type
- Communications
- Rocket
- Proton-K/17S40
- Launch site
- Baikonur Cosmodrome, Republic of Kazakhstan
- Launch pad
- 81/23 (81L)
- Payload
- —
- Target orbit
- LEO

Mission timeline
- 1997-09-14T01:36:54.000ZProton-K/17S40 roars off the pad at Baikonur Cosmodrome, Republic of Kazakhstan.
- The vehicle reaches Max Q, the highest aerodynamic load of the flight.
- MECO — first-stage propulsion ends after a nominal burn.
- Clean stage separation confirmed.
- The upper-stage engine lights up after separation.
- Orbit insertion confirmed — now circling in LEO.
- All mission objectives achieved.