NASA Logo, National Aeronautics and Space Administration

The Afternoon Constellation

The Afternoon Constellation - A-Train

Afternoon Constellation Mission Operations Working Group (MOWG) Charter

The Afternoon Constellation MOWG seeks to:

  • Ensure the integrity and safety of the constellation through cooperative agreements and actions
  • Agree on the baseline Constellation orbital configuration
  • Provide forum for defining changes to the baseline Constellation configuration
  • Define the data to be exchanged and the means of doing so
  • Facilitate coordination of cooperative science campaigns
  • Review specific mission plans that might impact the other Constellation missions
  • Provide the forum for discussing and resolving issues between member satellites

Access to the A-Train MOWG is available with a log in.

To obtain documentation or to learn more about the Mission Operations Working Group (MOWG) of the Afternoon Constellation (also known as the “A-Train”) and the Morning Constellation, please contact:

Angelita C. Kelly
Constellation Mission Operations Manager (MOM)
Earth Science Mission Operations Project/Code 428
NASA Goddard Space Flight Center
Greenbelt, MD 20771 U.S.A.
Telephone: (301) 614-5317

A-Train Fact