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. 1991
  4. 1991-054
// orbital launch

OV-104 IUS deploy

Space Shuttle launch from Cape Canaveral & Kennedy (United States) on August 2, 1991, carrying 2 payloads. GCAT records the launch as a success.

August 2, 1991 · 15:02 UTCLaunch 1991-054Launch no. 3,649 in the log
SpaceportCape Canaveral & Kennedypad LC39A
OutcomeSuccess
Launch agencyNASA JSCUnited States

Flight

Date and time (UTC)
August 2, 1991, 15:02
Launch designation
1991-054
Mission
OV-104 IUS deploy
Flight name
TDRS-E
Vehicle flight ID
STS-43

Orbit and payload

Initial apogee
39,010 km
Payload mass to orbit
117.3 t
Payloads
2
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Atlantis (STS-43)1991-054ANORAD 21638NASA Johnson Space Flight CenterHuman spaceflight91.4 tLanded · Aug 11, 1991
TDRS 51991-054BNORAD 21639NASA Goddard Space Flight CenterCommunications2,534 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.