BackForwardInstrument:  STR (SWARM) 

Instrument details
Acronym STR (SWARM)
Full name Star Tracker Set
Purpose Precise orbitography and satellite attitude control
Short description

Set of three star trackers.

Instrument monitoring and calibration here
Background

Part of a package of instruments for Solid Earth and Space Weather observation
Scanning Technique

Formation flight of 3 satellites in coordinated orbits for 3-D field reconstruction
Resolution N/A
Coverage / Cycle N/A
Mass Power Data Rate

 

Providing Agency ESA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2014 to 2025
Last update: 2024-09-23
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