Is the ephemeris data of satellites standardized as TLE files?

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Discussion Overview

The discussion centers on whether the ephemeris data of satellites is standardized as Two-Line Element (TLE) files or if different satellite constellations utilize varying formats. The scope includes technical aspects of satellite data representation and formats used in tracking satellites.

Discussion Character

  • Technical explanation, Debate/contested

Main Points Raised

  • One participant questions if all satellite constellations use TLE files or if there are different formats for different constellations.
  • Another participant asserts that constellation satellites, such as Starlink, are included in the standard TLE format, referencing a specific example.
  • A follow-up post mentions that CelesTrack provides various satellite groups and formats, indicating that elements can be accessed in both TLE and OMM formats, which are transferred as XML, JSON, or similar.

Areas of Agreement / Disagreement

The discussion does not reach a consensus on whether all satellite constellations use TLE files, as different viewpoints are presented regarding the formats used.

senmeis
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Hi,

Is ephemeris data of satellites standardized as TLE files or different constellations have different formats?
 
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As far as I know constellation satellites (such as Starlink) are still included in the usual two-line element set, e.g. https://heavens-above.com/orbit.aspx?satid=62487

By the way, you wrote "ephemeris" but since that is a table of positions over time I assume you mean "elements" as in orbital elements.
 
Follow up:
CelesTrack has a lot of pre-made satellite groups and different formats, with the elements of each group accessible as both TLE and OMM (transferred as XML, JSON or similar).
 
Thanks.
 

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