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IMP I

Thor Delta M6 launch from Cape Canaveral & Kennedy (United States) on March 13, 1971, carrying 1 payload. GCAT records the launch as a success.

March 13, 1971 · 16:15 UTCLaunch 1971-019Launch no. 1,191 in the log
RocketThor Delta M6
SpaceportCape Canaveral & Kennedypad LC17A
OutcomeSuccess
Launch agencyGSFCUnited States

Flight

Date and time (UTC)
March 13, 1971, 16:15
Launch designation
1971-019
Mission
IMP I
Flight name
Explorer 43
Vehicle flight ID
562/D083

Orbit and payload

Initial apogee
150,000 km
Payload mass to orbit
0.290 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
IMP 61971-019ANORAD 5043NASA Goddard Space Flight CenterSpace science288 kgLeft Earth orbit for deep space · Mar 14, 1971

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