NASA

Atlas-Centaur | Viking 1

SUCCESSAug 20, 1975 at 21:22 UTCTitan IIIE
SITECape Canaveral →
ORBITMars Transfer

Mars orbiter and lander mission. Successfully orbited Mars and landed on July 20, 1976, becoming the first successful U.S. Mars lander.

VEHICLE
Titan IIIE
AGENCY
NASA
TARGET ORBIT
Mars Transfer
LAUNCH SITE
Cape Canaveral
CONFIRMED
This launch date and time are confirmed by the launch provider. Countdown is active.
When is the Atlas-Centaur | Viking 1 launch?
The Atlas-Centaur | Viking 1 is scheduled for Wednesday, August 20, 1975 at 9:22 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 Atlas-Centaur | Viking 1?
The Atlas-Centaur | Viking 1 mission uses the Titan IIIE rocket.
Where is the Atlas-Centaur | Viking 1 launching from?
The launch takes place from Cape Canaveral.
What orbit is Atlas-Centaur | Viking 1 going to?
The Atlas-Centaur | Viking 1 mission is targeting Mars Transfer.
Who is launching Atlas-Centaur | Viking 1?
The Atlas-Centaur | Viking 1 is operated by NASA.
Can I watch the Atlas-Centaur | Viking 1 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 31, 2026 00:36 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 31, 2026 00:36 UTC
Launch date set: Aug 20, 1975 at 21:22 UTC
NET (No Earlier Than) confirmed by NASA
Mar 31, 2026 00:36 UTC
Launch completed successfully
Updated via Launch Library 2
Aug 20, 2025 16:52 UTC
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A Titan-Centaur rocket carrying the Viking 1 spacecraft launches from Complex 41 at Cape Canaveral Air Force Station on Aug. 20, 1975. Viking 1 touched…
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Last data sync: 2 hours ago
Spaceflight News API2 hours ago
2 articles matched