TLE parsing and SGP4 propagation

[ChristopherRabotin]

TLE parsing and SGP4 propagation

[Thomas-Oz-Dunn]

I have some TLE parsing in Rust here at line 231, though it maps into my Orbit struct that uses keplerian parameters instead of state vectors, but it would be a relatively easy conversion.

I'm less familar with SGP4 interfacing, though.

Perhaps, for the good of the community, I throw my TLE parsing into a standalone lib for us both to import since it is such a common starting point for developers that may not want either of our entire packages. Have it extract just the values present, no further calculations.

[Thomas-Oz-Dunn]

I have some TLE parsing in Rust here at line 231, though it maps into my Orbit struct that uses keplerian parameters instead of state vectors, but it would be a relatively easy conversion.

I'm less familar with SGP4 interfacing, though.

Perhaps, for the good of the community, I throw my TLE parsing into a standalone lib for us both to import since it is such a common starting point for developers that may not want either of our entire packages. Have it extract just the values present, no further calculations.

TLE parser

https://crates.io/crates/parse-tle

https://github.com/Thomas-Oz-Dunn/parse-tle

Mapped the fields into a simple struct of each parameter, that way we each can have our own derived Orbit class.

[ChristopherRabotin]

Nice, thanks! I will let you know when I start working on this.

For the epoch calculations, you may wish to use hifitime since it computes the Julian dates directly and performs nanosecond precision duration arithmetics.