BackForwardInstrument:  STA 

Instrument details
Acronym STA
Full name Star Tracker Assembly
Purpose Precise orbitography and satellite attitude control
Short description Set of two star trackers
Background Consolidated technology
Scanning Technique N/A
Resolution N/A
Coverage / Cycle N/A
Mass Power Data Rate

 

Providing Agency ESA
Instrument Maturity
Utilization Period: 2010 to 2025
Last update: 2013-01-24
Detailed characteristics
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Other payload component
  • Positioning system
WIGOS Subcomponents No WIGOS subcomponents have been defined.
Mission objectives
Evaluation of Measurements

The following list indicates which measurements can typically be retrieved from this category of instrument. To see a full Gap Analysis by Variable, click on the respective variable.

Note: table can be sorted by clicking on the column headers
Note: * Primary mission objective.
VariableRelevance for measuring this variableOperational limitationsExplanation
Geoid5 - marginalHighly indirect.Opportunity information from star tracker used for satellite navigation and attitude control
Gravity field5 - marginalHighly indirect.Opportunity information from star tracker used for satellite navigation and attitude control