Satellite Streak
Estimate satellite trail length on a sensor and the exposure needed to limit streak length.
Streak length
290.9 px
5,760.0 arcsec
Pixel scale
19.801 arcsec/px
small-angle approximation
Max exposure
0.138 s
20.0 px limit
Detector streak footprint
Angular motion during the exposure maps through pixel scale into a trail on the sensor.
290.9 px
Streak length
290.9 px
5,760.0 arcsec over the exposure
Pixel scale
19.801 arcsec/px
4.80 um pixels at 50 mm
Max exposure
0.138 s
for a 20.0 px trail limit
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.