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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:
2010-05-21 to ≥2021
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
Tentative 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
Variable Relevance for measuring this variable Operational limitations Explanation
Geoid 5 - marginal Highly indirect. Opportunity information from star tracker used for satellite navigation and attitude control
Gravity field 5 - marginal Highly indirect. Opportunity information from star tracker used for satellite navigation and attitude control
Instrument: STA