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Artemis II

retired
Human SpaceflightGEOCOSPAR 2026-069ALaunched 4/1/2026
Admin Edit
Mission & Launch
Launch Mission
Artemis II Mission
Launch Vehicle
SLS Block 1
Launch Date
4/1/2026
Last Contact
4/11/2026
Orbit & Mass
Orbit Class
GEO
Altitude
35,122.5 km
Inclination
28.35 deg
Dry Mass
9,400 kg
Total Mass
25,848 kg
Payload Classification
Mission Type
Human Spaceflight
Payload Category
SS
Payload Class
C
Organizations
Operator
NASA Johnson Space Center
Manufacturer
Lockheed Martin
Registry
COSPAR ID
2026-069A
Track
Mentions
1095
All verified mentions of this spacecraft in source documents.
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The Artemis II launch window on April 1 opens at 6:24 p.m. ET.

PlanValue 4.0Mar 30, 2026Ignition, not yet liftoff, of NASA’s ambitious Artemis Moonbase plans | Moon Monday #268

The probability of violating weather constraints for the SLS Artemis II 48-hour delay case was 25%.

Plan
Page29of55
General
Value 3.0
Mar 29, 2026
Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

Weather for the SLS Artemis II 48-hour delay case included isolated showers, visibility greater than 7 miles, a temperature of 74°F, humidity of 80%, and ground winds of 17 to 22 knots from 120 degrees at 132 feet.

GeneralValue 2.2Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

Launch-day cloud conditions for SLS Artemis II included scattered cumulus clouds with bases at 3,000 feet and tops at 13,000 feet, and scattered cirrus clouds with bases at 20,000 feet and tops at 24,000 feet.

GeneralCapabilityValue 3.0Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

Delay-case cloud conditions for SLS Artemis II included scattered cumulus clouds with bases at 3,000 feet and tops at 15,000 feet, and scattered cirrostratus clouds with bases at 20,000 feet and tops at 24,000 feet.

GeneralValue 4.0Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

The probability of violating weather constraints for the SLS Artemis II launch day was 20%.

PlanGeneralValue 3.0Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

The 45th Weather Squadron predicted an 80% chance of favorable weather conditions for the SLS Artemis II launch on April 1, 2026.

PlanGeneralValue 3.5Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

The Launch Mission Execution Forecast for SLS Artemis II was valid for April 1, 2026.

PlanGeneralValue 3.0Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

The primary weather concerns for the SLS Artemis II 48-hour delay case were the cumulus cloud rule, thick cloud layers rule, and ground winds.

PlanValue 2.0Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

The Launch Mission Execution Forecast for SLS Artemis II was issued on March 29, 2026.

PlanValue 3.0Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

Launch-day weather for SLS Artemis II included visibility greater than 7 miles, a temperature of 75°F, humidity of 75%, and ground winds of 15 to 20 knots from 110 degrees at 132 feet.

GeneralValue 1.8Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

Solar activity was low for the SLS Artemis II 48-hour delay forecast.

PlanGeneralValue 2.5Mar 29, 2026Only 3 more days until the scheduled Artemis II launch, and weather is looking good! The 45th Weather Squadron is predicting an 80% chance of favorable weather conditions for April 1st, and a 75% chance of favorable conditions in the case of a 48-hour delay to April 3rd.

Artemis II will be the first mission to carry humans to lunar orbit in more than 50 years.

PlanValue 3.0Mar 28, 2026Así es el cerebro térmico madrileño que llevará a la Humanidad de regreso a la Luna

United Launch Alliance will set a new launch date for the Amazon Leo mission after range approvals are finalized and deconfliction with NASA's Artemis II launch is completed.

PlanGovernanceLegalValue 4.0Mar 28, 2026New hazard area's have been released for the LA-05 mission, and they indicate that the launch has been rescheduled for NET April 4th at 05:45 UTC. A day-for-day delay would mean that the LA-06 mission, which was set for NET April 24th, should now be NET April 30th.

Artemis II is the first time NASA has entrusted a non-U.S. company with a critical system for a crewed mission.

GeneralValue 3.0Mar 28, 2026Así es el cerebro térmico madrileño que llevará a la Humanidad de regreso a la Luna

The Artemis II Moonbound crew’s zero gravity indicator is named "Rise."

CapabilityValue 3.0Mar 27, 2026RT by @GewoonLukas_: Introducing the Moon Mascot for the Artemis II mission! The zero gravity indicator for the Moonbound crew was selected from thousands of submissions from over 50 countries and is named “Rise.” The design was inspired by the iconic Earthrise moment from the Apollo 8 mission. pic.

Airspace closure plans exist for the Artemis II launch.

PlanGeneralValue 2.0Mar 26, 2026Air space closure plans for the launch of Artemis II has been posted. This is real folks.

Artemis II will be the first crewed mission to travel to the Moon since Apollo 17 in 1972.

PlanValue 3.0Mar 25, 2026Pinned: L-1 week 🌑 1 week from today, NET April 1st at 22:24 UTC, NASA's Artemis II mission is scheduled to launch. Artemis II will be the first time humans will travel to the Moon since Apollo 17 in 1972, and could set a new record for the farthest anyone has ever traveled from Earth.

Artemis II adds humans to the Artemis mission series.

PlanGeneralValue 3.0Mar 24, 2026Beyond the Rocket: The Digital Infrastructure of the Artemis II Mission

Artemis II will validate a cyber-secure, AI-enabled, edge-capable architecture designed for sustained presence beyond Earth.

CapabilityPlanValue 3.0Mar 24, 2026Beyond the Rocket: The Digital Infrastructure of the Artemis II Mission