STS-120
| Parazynski performs a repair of a torn solar panel on the P6 truss, reinstalled on the ISS four days earlier. | |
| Names | Space Transportation System-120 | 
|---|---|
| Mission type | ISS assembly | 
| Operator | NASA | 
| COSPAR ID | 2007-050A | 
| SATCAT no. | 32272 | 
| Mission duration | 15 days, 2 hours, 24 minutes | 
| Distance travelled | 10,060,000 kilometres (6,250,000 mi) | 
| Orbits completed | 238 | 
| Spacecraft properties | |
| Spacecraft | Space Shuttle Discovery | 
| Launch mass | 129,823 kilograms (286,211 lb) | 
| Landing mass | 91,578 kilograms (201,895 lb) | 
| Crew | |
| Crew size | 7 | 
| Members | |
| Launching | |
| Landing | |
| Start of mission | |
| Launch date | October 23, 2007, 15:38:19 UTC | 
| Launch site | Kennedy, LC-39A | 
| End of mission | |
| Landing date | November 7, 2007, 18:01:18 UTC | 
| Landing site | Kennedy, SLF Runway 33 | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Low Earth | 
| Perigee altitude | 340 kilometres (210 mi) | 
| Apogee altitude | 344 kilometres (214 mi) | 
| Inclination | 51.6 degrees | 
| Period | 91.6 minutes | 
| Docking with ISS | |
| Docking port | PMA-2 (Destiny forward) | 
| Docking date | 25 October 2007 12:40 UTC | 
| Undocking date | 5 November 2007 10:32 UTC | 
| Time docked | 10 days, 21 hours, 52 minutes | 
| (left to right) Parazynski, Wheelock, Wilson, Zamka, Melroy, Tani and Nespoli | |
STS-120 was a Space Shuttle mission to the International Space Station (ISS) that launched on October 23, 2007, from the Kennedy Space Center, Florida. The mission is also referred to as ISS-10A by the ISS program. STS-120 delivered the Harmony module and reconfigured a portion of the station in preparation for future assembly missions. STS-120 was flown by Space Shuttle Discovery, and was the twenty-third Space Shuttle mission to the ISS. It was Discovery's 34th flight.