Artemis II sequence of events

Artemis II sequence of events

Time formats for events on a given Flight Day:

  • 00:00:00 MET: 
  • 0:00 p.m. EST: 

Less than two months before opening launch window (data)

00-00-2024 Rollout to the pad

Less than two days before opening launch window (hh:mm:ss)

hh:mm:ss

Last than one hour before launch (T-time, hh:mm:ss)

hh:mm:ss

1. Launch

Kennedy Space Center, Florida, USA

  • Flight Day 0
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles
  • 00:00:00 MET: Launch
  • 0.00 p.m. EST: Launch

2. Low Earth Orbit

European Service Module deploys solar arrays

  • Flight Day 0
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

3. Perigee Raise Maneuvre

Interim Cryogenic Propulsion propels Orion to a higher orbit

  • Flight Day 0
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

4. Apogee Raise Burn

Second burn to high Earth orbit for 42-hour system checkout

  • Flight Day 0
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

5. Separation

Interim Cryogenic Propulsion System separates from Orion

  • Flight Day 0
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

6. Translunar injection

Orion’s European Service Module main engine fires to propel the spacecraft to the Moon

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

7. Outbound coasting phase

Four-day trip to lunar orbit with European Service Module correcting as necesarry

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

8. Lunar flyby

7500 km from the Moon’s surface

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

9. Return to Earth

Four-day trip with Return Trajectory Corrections supplied by Orion’s European Service Module auxiliary engines

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles
  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles
  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles
  • Flight Day X
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

10. Service Module separation

European Service Module and Crew Module Adaptor separate from Crew Module.

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

11. Crew Module Reentry

European Service Module and Crew Module Adaptor burn up

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles

12. Splashdown

Pacific Ocean

  • Flight Day x
  • Date: 01-01-2024
  • Mission Elapsed Time: 00:00:00 (dd:hh:mm)
  • Velocity: 2,000 miles/hour
  • Distance from Earth: 20,000 miles
  • Distance to Moon: 200,000 miles
Artemis
Artemis
Artemis II trajectory basics
Artemis II trajectory basics

Footnote