SPACE / Attitude & navigation / REVIEWED 2026-09-11
Determine orientation from the stars.
Star trackers estimate orientation from star fields. Some are self-contained attitude sensors; others require a separate electronics unit or spacecraft computer to process optical-head data.
These are sourcing candidates, not a confirmed Starlink supply chain.
Self-contained star trackers with spacecraft-facing attitude outputs; manufacturer provides dedicated interface-control documentation. [2]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Compact standalone star tracker with separate pitch/yaw and roll accuracy specifications and optional baffle arrangements. [3]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Offers its own compact star tracker and electronics for a Sodern Auriga-based architecture. [4]
Company location: South Africa
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Optical-head star tracker with centralized software or standalone electronics arrangements; configurations support multiple optical heads. Sodern documents supplying Airbus for Eutelsat OneWeb. [5][11]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Autonomous active-pixel star sensor family intended for multiple orbital and deep-space mission environments; specific requirements are handled through product inquiry. [6]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Standard, mid-size and full-size star trackers with different cross-axis and roll knowledge specifications. [7]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Chinese manufacturer offers multiple nanosatellite and microsatellite tracker configurations with model-specific angular accuracy, update rate and mass. [8]
Company location: China
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Autonomous star-tracker hardware with an established product brief and manufacturer inquiry route. [9]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
Star-tracker module within the supplier guidance and navigation equipment catalog. [1]
Contact the manufacturer for the selected configuration and current quotation; this channel is inferred from the official product/contact page, not a stock claim.
A company address is shown separately from a published factory location. Request the manufacturing site and lot traceability for the exact part when sourcing.
Keep cross-boresight and roll/about-boresight accuracy separate, including the stated confidence level.
Account for baffle geometry and exclusion angles to Sun, Earth and Moon in actual mounting geometry.
Check both tracking and lost-in-space acquisition at the expected spacecraft angular rate.
Compare output cadence, timestamp accuracy and latency under the intended tracking mode.
Include baffle, electronics and thermal hardware; an optical head is not a complete standalone tracker.
Confirm onboard solution versus external OBC software, interfaces, CPU load and software licensing.
Request calibration and thermoelastic alignment error budgets, not only laboratory centroid precision.
Assess blinding recovery, radiation effects, mission-level heritage and unit qualification.
Specifications belong to the named product and configuration.
Confirm the current generation and baffle with the supplier; newer tracker configurations have different accuracy.
Manufacturer pages and technical documents support the linked claims. A review date is not a publication date or stock check.
WHL-P4, STR-P3, FSS-P3, IMU-P4 and MT-P4 product scope; IMU sensor composition.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Official product identity, scope, interfaces and procurement contact.
Accessed 2026-09-10Tracker knowledge confidence levels, generation-specific performance and update rate.
Accessed 2026-09-10Documented Sodern-to-Airbus supply relationship for the Eutelsat OneWeb constellation.
Accessed 2026-09-10