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Two-line element set

A two-line element set (TLE, or more rarely 2LE) or three-line element set (3LE) is a data format encoding a list of orbital elements of an Earth-orbiting object for a given point in time, the epoch. Using a suitable prediction formula, the state (position and velocity) at any point in the past or future can be estimated to some accuracy. The TLE data…

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Two-line element set

Nodes35
Edges34
Triples2
Avg. degree1.94
Density0.057143
Components1

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Two-line element set

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related to Title line (optional) · 2
Two-line element set → If, TLE

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Important terminology

data format tle set elements line used tles objects two model number space numbers models cards orbital title sgp4 satellite

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SubjectPredicateObjectConfidenceSrc
Two-line element setrelated to Title line (optional)If0.60section
Two-line element setrelated to Title line (optional)TLE0.60section

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