UNITED STATES AIR FORCE

Atlas SLV-3C Centaur | Mariner 9

SUCCESSMay 30, 1971 at 22:23 UTCAtlas SLV-3C Centaur →
PADLaunch Complex 36B
SITECape Canaveral SFS, FL, USA →
ORBITMars Orbit
TYPERobotic Exploration

Mars orbiter designed to map 70% of the Martian surface and study temporal changes in the Martian atmosphere and surface.

MISSION
Mariner 9
MISSION TYPE
Robotic Exploration
TARGET ORBIT
Mars Orbit
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 4807039f-7f54-4327-832b-3cded9cf8927
Reported date: May 30, 1971 at 22:23 UTC
Last synced: 1 hour ago
This launch date and time are confirmed by the launch provider. Countdown is active.
Loading weather…
Select a location to check if this launch is visible from where you are
MANUFACTURER
Convair
VARIANT
SLV-3C Centaur
FLIGHTS
17
SUCCESSES
15
SUCCESS RATE
88.2%

The Atlas-Centaur was a US expendable launch vehicle derived from the SM-65 Atlas D missile. Launches were conducted from Launch Complex 36 at the Cape Canaveral Air Force Station in Florida.

When is the Atlas SLV-3C Centaur | Mariner 9 launch?
The Atlas SLV-3C Centaur | Mariner 9 is scheduled for Sunday, May 30, 1971 at 10:23 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 Mariner 9?
The Atlas SLV-3C Centaur | Mariner 9 mission uses the Atlas SLV-3C Centaur rocket, manufactured by Convair. The Atlas SLV-3C Centaur has flown 17 times with a 88.2% success rate.
Where is the Atlas SLV-3C Centaur | Mariner 9 launching from?
The launch takes place from Launch Complex 36B at Cape Canaveral SFS, FL, USA.
What orbit is Mariner 9 going to?
The Mariner 9 mission is targeting Mars Orbit.
Who is launching Mariner 9?
The Atlas SLV-3C Centaur | Mariner 9 is operated by United States Air Force.
Can I watch the Atlas SLV-3C Centaur | Mariner 9 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 28, 2026 21:44 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 21:44 UTC
Launch date set: May 30, 1971 at 22:23 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 28, 2026 21:44 UTC
Launch completed successfully
Updated via Launch Library 2
Jun 4, 2021 17:53 UTC
Mars Ascent Vehicle from Northrop Grumman takes shape for Mars Sample Return mission
Since Mariner 9 entered orbit around Mars on November 14, 1971, NASA has been continuously studying the Red Planet.u00a0 The Viking landers reached the surface…
NASASpaceflight
Last data sync: 1 hour ago
Launch Library 21 hour ago
Launch ID: 4807039f-7f54-4327-832b-3cded9cf8927
Spaceflight News API2 days ago
1 article matched
Open-Meteo Weather2 days ago
Pad weather at 28.47, -80.54