Comstar D-4

Atlas SLV-3D Centaur launch from Cape Canaveral & Kennedy (United States) on February 21, 1981, carrying 1 payload. GCAT records the launch as a success.

February 21, 1981 · 23:23 UTCLaunch 1981-018Launch no. 2,404 in the log

RocketAtlas SLV-3D Centaur

SpaceportCape Canaveral & Kennedypad LC36A

OutcomeSuccess

Launch agencyNASA LeRCUnited States

Flight

Date and time (UTC): February 21, 1981, 23:23
Launch designation: 1981-018
Mission: Comstar D-4
Vehicle flight ID: AC-42
Year: Launches in 1981

Orbit and payload

Initial apogee: 36,915 km
Payload mass to orbit: 1.5 t
Payloads: 1
GCAT launch code: OS

Payloads

Payload	Designation	Owner	Mission type	Mass	Fate
Comstar 204	1981-018ANORAD 12309	Comsat General Corp., Washington D.C.	Communications	748 kg	Renamed · July 2001

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