Satellites

Satellites

Of or relating to any man-made object launched to orbit Earth or another celestial body.

Industry: Aerospace

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Satellites

angle of drift

Aerospace; Satellites

The angle between the heading of the axis of a craft and its ground track.

The angle of the Sun above the horizon. Both the quantity (lumens) and the spectral quality of light being reflected to a remote sensor are influenced by Sun angle. Also called Sun elevation and Sun ...

attitude

Aerospace; Satellites

The angular orientation of a spacecraft as determined by the relationship between its axes and some reference line or plane or some fixed system of axes. Usually, "y" is used for the axis that ...

parallax

Aerospace; Satellites

The apparent change in the position of one object, or point, with respect to another, when viewed from different angles.

azimuth

Aerospace; Satellites

The arc of the horizon measured clockwise from the north point to the point referenced. Expressed in degrees. Azimuth indicates direction, and not location.

NIST traceability

Aerospace; Satellites

The attempt to trace radiometric units and calibrations back to a common radiance source at the United States National Institute of Standards and Technology (NIST) in order to compare measurements ...

hue

Aerospace; Satellites

the attribute of a color that differentiates it from grey of the same brilliance and that allows it to be classed as blue, green, red, or intermediate shades of these colors. See brightness and ...