Satellite Pass Finder · SpaceOpsLab

Satellite ?

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Search satellite

Selected satellite

Catalogue source: SpaceOpsLab satellite worker. TLEs are refreshed server-side from AMSAT and selected CelesTrak groups.

Select a satellite, or scan the current type and radio band filters.

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Radio reference ?

Modes—

Uplink—

Downlink—

CTCSS—

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Source

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NORAD ID

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TLE epoch

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Fetched

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Observer ?

Start date

Start time

Adjust coordinates, height, elevation mask, or a longer search window.

Search hours

Latitude

Longitude

Height (m)

El. mask (°)

Location:—·Grid:—

Map · Select observer point

Observer Satellite position LOS footprint Radio

Pass simulation?

Sim time:—

Elevation

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Azimuth

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Distance

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Local time

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Satellite radio preset

Base MHz

Range rate

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Doppler shift

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RX tune

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TX tune

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Approx only: positive range rate means the satellite is moving away. RX tune estimates received downlink; TX tune estimates ground transmit pre-correction for uplink. Check current satellite status before transmitting.