Review one provider-generated satellite pass event row, verify its UTC timeline and directions, and retain the exact source basis without live prediction.
A quick decision brief for this specific tool
One named reviewed provider-generated satellite pass event row and revision; exact satellite object/catalog identity; provider pass source and responsible reviewer; exact element/ephemeris source record; provider propagator/version, coordinate-frame and time-system record; observer site, coordinates/elevation and horizon basis record; canonical RFC 3339 UTC appearance, maximum and disappearance instants; same-row azimuth/elevation pairs for all three events; optional same-row provider-reported duration with one reviewer-owned absolute tolerance; and explicit pass-generation, element/propagator, visibility/local-condition and tracking/operations/safety boundaries
Appearance-to-maximum, maximum-to-disappearance and total UTC elapsed durations; maximum-time fraction;16-point compass labels normalized only from the three entered azimuths; retained maximum elevation without a quality rating; optional signed provider-reported-minus-timestamp duration inside tolerance; complete object/source/ephemeris/model/frame/site evidence; deliberate page-session retention, copy/Markdown/print/share actions; and stable Project outputs that keep live prediction, element propagation/certification, visibility and all operational/safety approval false
Validate one coherent source-owned event row; require three canonical second-resolution UTC instants ordered appearance before maximum before disappearance; subtract those entered timestamps to reproduce the two segments and total; normalize each entered azimuth into one of16 compass points; retain all entered elevations; and optionally compare a same-row provider duration with the timestamp duration inside a reviewer-owned absolute tolerance
Choose your path
Reconcile one exact provider-generated satellite pass event row into a UTC timeline and normalized direction record without fetching or propagating orbital data, predicting a current pass, declaring visibility or approving operational use.
Understand provider sighting fields and elapsed time without being told that the ISS is visible tonight.
Load the static 00:42 appearance,00:45 maximum and00:48 disappearance training row, confirm that it is illustrative rather than current, then explicitly reconcile.
Gets a six-minute source timeline, three-minute segments and SW→S→NE entered-direction path while current pass and naked-eye visibility remain explicitly ungenerated.
Catch timestamp or direction transcription errors while retaining the exact object, orbital-data, model/frame and site basis.
Load the duration example, verify one object/provider/ephemeris/propagator/site record, retain the three UTC azimuth/elevation pairs and compare the provider's360-second duration inside a1-second tolerance.
Gets an exact zero-second duration residual and complete source evidence; an out-of-tolerance duration or misordered instant fails at its owning field with no current result.
Prevent a timeline checker from masquerading as orbit propagation, visibility prediction or an operational tracking system.
Reconcile the supported record, then exercise live-pass generation, element/propagator certification, visibility/local-condition and tracking/RF/operations/safety refusal choices before restoring the supported boundaries.
Every unsupported request removes result/actions, focuses the exact owning select with a complete refusal and requires explicit reconciliation before the source timeline returns.
Outputs and checklists are planning aids. Review the linked current authorities and the records, terms, instructions, and requirements that apply to your exact situation before a consequential decision.
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Record the exact satellite object/catalog identity, provider export or row, responsible reviewer, element or ephemeris identity, model/version, frame/time system and observer-site basis. The Tool does not infer any of them from a satellite name.
Enter canonical RFC 3339 UTC appearance, maximum and disappearance instants ending in Z. The Tool requires appearance before maximum before disappearance and reproduces the two segment durations plus the total.
Each entered azimuth is converted to a 16-point compass label. The entered elevations and directions remain provider-row evidence; they are not recomputed from orbital elements and maximum elevation is not turned into a quality score.
Current or next pass generation, TLE/OMM validation, SGP4 propagation, coordinate transformation, sunlight/eclipse, magnitude, weather, local obstruction, pointing, RF, operations, collision, launch and safety decisions remain external.
Updated: August 2026
Load the clearly non-current 00:42 / 00:45 / 00:48 UTC training row. Reconcile a six-minute timeline and SW → S → NE direction path without receiving a tonight, brightness or naked-eye verdict.
Copy one exact object, GP/OMM or ephemeris reference, provider model/frame/time record, site and three event rows. Compare the timestamp-derived duration with the provider's same-row duration inside a reviewer-owned tolerance.
Request live prediction, element certification, a naked-eye/weather conclusion or pointing/RF/operations approval. The responsible field fails closed and no current result or result action remains.
Keep appearance, maximum and disappearance with one exact object, provider event, site, orbital-data basis and time system. The chronology check cannot repair mixed-source evidence.
The Tool only bins entered azimuths into 16 compass points. It does not derive azimuth/elevation from TLE, OMM, state vectors or a device location.
Duration agreement proves only that the entered timestamps and reported duration are arithmetically consistent within the reviewer tolerance. It does not validate elements, propagation, frame transforms or the provider prediction.
Keep sunlight/eclipse, brightness, weather, local horizon, equipment, pointing, RF, tracking, collision, launch and safety conclusions with their responsible evidence and systems.
This Tool reviews one satellite pass row that a responsible provider has already generated. It checks the entered UTC event order, elapsed intervals, compass directions and optional reported duration while retaining the exact object, orbital-data, propagation, observer-site and reviewer records. It does not fetch live elements or tell you what is visible tonight.
