UNITED STATES AIR FORCE

Atlas G Centaur | Intelsat 509

SUCCESS Atlas G Centaur →
Jun 9, 1984 at 23:03 UTC
Geostationary Orbit Communications Cape Canaveral SFS, FL, USA 86% success
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Live Orbit
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Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PADLaunch Complex 36B
SITECape Canaveral SFS, FL, USA →
ORBITGeostationary Orbit
TYPECommunications

Geostationary communications satellite

MISSION
Intelsat 509
MISSION TYPE
Communications
TARGET ORBIT
Geostationary Orbit
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: bd9d4718-8c73-422f-8357-ecc4a13d2b74
Reported date: Jun 9, 1984 at 23:03 UTC
Last synced: 1 minute ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
Convair
VARIANT
G Centaur
FLIGHTS
7
SUCCESSES
6
SUCCESS RATE
85.7%

The Atlas G, also known as Atlas G Centaur-D1AR was an American expendable launch system derived from the Atlas-Centaur. It was a member of the Atlas family of rockets, and was used to launch seven communication satellites during the mid to late 1980s. Atlas G consisted of an improved Atlas core with modernized avionics and stretched propellant tanks. The Centaur stage also had several updated components and other technical improvements. It was replaced by the Atlas I, which had an improved guidance system.

When is the Atlas G Centaur | Intelsat 509 launch?
The Atlas G Centaur | Intelsat 509 is scheduled for Saturday, June 9, 1984 at 11:03 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: SUCCESS.
What rocket is being used for Intelsat 509?
The Atlas G Centaur | Intelsat 509 mission uses the Atlas G Centaur rocket, manufactured by Convair. The Atlas G Centaur has flown 7 times with a 85.7% success rate.
Where is the Atlas G Centaur | Intelsat 509 launching from?
The launch takes place from Launch Complex 36B at Cape Canaveral SFS, FL, USA.
What orbit is Intelsat 509 going to?
The Intelsat 509 mission is targeting Geostationary Orbit.
Who is launching Intelsat 509?
The Atlas G Centaur | Intelsat 509 is operated by United States Air Force.
Can I watch the Atlas G Centaur | Intelsat 509 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 29, 2026 23:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 23:44 UTC
Launch date set: Jun 9, 1984 at 23:03 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 29, 2026 23:44 UTC
Launch completed successfully
Updated via Launch Library 2
Last data sync: 1 minute ago
Launch Library 21 minute ago
Launch ID: bd9d4718-8c73-422f-8357-ecc4a13d2b74
Open-Meteo Weather1 day ago
Pad weather at 28.47, -80.54

Mission Profile

Intelsat 509 was a Atlas G Centaur mission operated by United States Air Force that lifted off from Launch Complex 36B, Cape Canaveral SFS, FL, USA on June 9, 1984. The flight carried its payload on a communications mission to Geostationary Orbit. The launch was a success.