PADSpace Launch Complex 3E
SITEVandenberg SFB, CA, USA →ORBITPolar Orbit
TYPEEarth Science
PROGRAMNASA Large Strategic Science Missions
MISSION OVERVIEW
The Terra (formally known as EOS-AM-1) satellite is the flagship of EOS. It provides global data on the state of the atmosphere, land, and oceans, as well as their interactions with solar radiation and with one another.
LAUNCH DETAILS
VEHICLE
Atlas IIAS
AGENCY
Lockheed MartinMISSION
Terra
MISSION TYPE
Earth Science
TARGET ORBIT
Polar Orbit
LAUNCH PAD
Space Launch Complex 3ELAUNCH SITE
Vandenberg SFB, CA, USAPROGRAM
NASA Large Strategic Science Missions
COUNTRY
USA
LAUNCH TIME VERIFICATION
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 85841db3-9422-4470-8327-0c42fc258987
Reported date: Dec 18, 1999 at 18:57 UTC
Last synced: 6 hours ago
This launch date and time are confirmed by the launch provider. Countdown is active.
LAUNCH MAP
PAD WEATHER
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VEHICLE
MANUFACTURER
Lockheed Martin
VARIANT
IIAS
FLIGHTS
30
SUCCESSES
30
SUCCESS RATE
100%
Atlas II was a member of the Atlas family of launch vehicles, which evolved from the successful Atlas missile program of the 1950s. It was designed to launch payloads into low earth orbit, geosynchronous transfer orbit or geosynchronous orbit. Sixty-three launches of the Atlas II, IIA and IIAS models were carried out between 1991 and 2004; all sixty-three launches were successes, making the Atlas II the most reliable launch system in history.
FREQUENTLY ASKED QUESTIONS
When is the Atlas IIAS | Terra launch?
The Atlas IIAS | Terra is scheduled for Saturday, December 18, 1999 at 6:57 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 Terra?
The Atlas IIAS | Terra mission uses the Atlas IIAS rocket, manufactured by Lockheed Martin. The Atlas IIAS has flown 30 times with a 100% success rate.
Where is the Atlas IIAS | Terra launching from?
The launch takes place from Space Launch Complex 3E at Vandenberg SFB, CA, USA.
What orbit is Terra going to?
The Terra mission is targeting Polar Orbit.
Who is launching Terra?
The Atlas IIAS | Terra is operated by Lockheed Martin. It is part of the NASA Large Strategic Science Missions program.
Can I watch the Atlas IIAS | Terra 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.
LAUNCH TIMELINE
Mar 29, 2026 01:16 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 29, 2026 01:16 UTC
Launch date set: Dec 18, 1999 at 18:57 UTC
NET (No Earlier Than) confirmed by Lockheed Martin
Mar 29, 2026 01:16 UTC
Launch completed successfully
Updated via Launch Library 2
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LIVE DATA SOURCES
Last data sync: 6 hours ago
●Launch Library 26 hours ago
Launch ID: 85841db3-9422-4470-8327-0c42fc258987
●Spaceflight News API6 hours ago
15 articles matched
●Open-Meteo Weather6 hours ago
Pad weather at 34.64, -120.59
Mission Profile
Terra was a Atlas IIAS mission operated by Lockheed Martin that lifted off from Space Launch Complex 3E, Vandenberg SFB, CA, USA on December 18, 1999. The flight carried its payload on a earth science mission to Polar Orbit. It was flown as part of the NASA Large Strategic Science Missions program. The launch was a success.