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Optical Payload for Smallsat

High-Resolution Optical Payloads for Smallsats

TL;DR Ground Sampling Distance (GSD) defines how much ground area is represented by a single pixel in satellite imagery and directly determines spatial resolution. Achieving sub-meter satellite imaging from small satellites requires balancing optical aperture, focal length, payload mass and spacecraft stability. Even if an optical system is diffraction-limited, satellite pointing stability and jitter often determine the real image quality. Modern smallsat […]

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Space Camera Scanway

Optical Payload vs Space Camera vs Satellite Camera: What Is the Difference?

TL;DR In spacecraft engineering, payload means the part of the spacecraft dedicated to producing mission data. An optical payload is therefore the full observation instrument, not just the image sensor. A satellite camera usually describes the image-forming part of an orbital imaging system in looser, market-facing language. In engineering, that “camera” is often only one subsystem inside a larger payload. A space camera is the broadest term. It can mean […]

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Flight tests of the Scanway Earth observation instrument confirmed its ability to detect methane emissions

In September of this year, Scanway conducted flight tests of an Earth observation instrument that will be the first in a constellation being built by South Korea’s Nara Space, with a target size of at least 12 microsatellites. The tests, conducted near Krosno, confirmed the functionality and performance of the Scanway instrument when imaging actual methane emissions from altitudes ranging from approximately 2 to over 3,000 meters above […]

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