Satellite constellation tracking is the method of using orbital element databases and real-time tracking platforms to establish which satellites were overhead at a specific location and time, who operates them, and what sensors they carry. The technique is not about finding imagery: it is about determining whether imagery could exist, who would hold it, and whether a coverage claim is physically plausible. The key identifier for every object in Earth orbit is the NORAD catalogue number assigned at launch, which anchors all attribution work to a verifiable record.
The technique applies when an investigation requires evidence about what was visible from orbit at a specific moment: identifying which satellites had coverage of a target location, verifying whether a commercial provider could have captured a claimed event, mapping a state actor's reconnaissance footprint, tracing an unidentified object to its operator, documenting a satellite's ground track during a period of interest, or estimating revisit rates for a given latitude. A single overpass is ambiguous. The pattern of constellation geometry, sensor capability, and operator attribution, corroborated across sources, is not.
SPC-001 sets out the methodology for identifying, attributing, and documenting satellite overpasses against a target location and time window to evidentiary standard.
Eight workflow steps, seven tooling sources, five false-positive checks, five chain-of-custody requirements.
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01
Required Tools
Seven platforms covering orbital elements, pass prediction, and satellite attribution.
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02
OPSEC
Account segregation, query pacing, and TLE grade limitations.
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03
Workflow
Eight-step sequence from target parameters to archived case file.
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04
False Positives
Overpass presence, TLE decay, catalogue lag, and ownership misreads.
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05
Chain of Custody
TLE timestamps, SHA-256 hashes, tool parameters, screenshots, analyst identity.
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06
Key Queries
Six operator queries across Space-Track, Celestrak, N2YO, UCS, Heavens-Above, and Google.
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A PDF version of SPC-001 is available below for Signal subscribers.
