TRAJ and MPSR Support

TRAJ - Trajectory Officer

Seated in the FCR next to FDO

FDOs first certified as TRAJ prior to FDO certification

Primary TRAJ responsibilities

Orbiter mass properties

LSO duties (contacts with landing sites, etc.)

Support the FDO

NAV - Ground Navigation

Coordinate/evaluate all incoming ground/TDRS tracking data

Compute state vector from tracking data

Assist FDO in ground and onboard vector evaluation

Console in the Trajectory MPSR

DYNAMICS

Make all MOC inputs based on FDO instructions

Console in the TRAJ MPSR

TRACK

Coordinate, w/NAV, tracking site data flow and data requests

Console in TRAJ MPSR

Profile Support

During rendezvous flights, this position assists the FDO with rendezvous profile evaluation and determination

Console in the TRAJ MPSR

Weather

SMG provides world-wide weather data to FDO and Flight

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