2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Launches
  3. 2009
  4. 2009-052
// orbital launch

STSS 1

Delta 7920-10C launch from Cape Canaveral & Kennedy (United States) on September 25, 2009, carrying 2 payloads. GCAT records the launch as a success.

September 25, 2009 · 12:20 UTCLaunch 2009-052Launch no. 5,007 in the log
SpaceportCape Canaveral & Kennedypad SLC17B
OutcomeSuccess
Launch agencyULAUnited States

Flight

Date and time (UTC)
September 25, 2009, 12:20
Launch designation
2009-052
Mission
STSS 1
Flight name
USA 208/USA 209
Vehicle flight ID
D344

Orbit and payload

Initial apogee
1,378 km
Payload mass to orbit
2.2 t
Payloads
2
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
STSS 12009-052ANORAD 35937Missile Defense AgencyMissile early warning1,022 kgIn orbit
STSS 22009-052BNORAD 35938Missile Defense AgencyMissile early warning1,022 kgIn orbit

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.