diff options
Diffstat (limited to 'gnu')
| -rw-r--r-- | gnu/packages/astronomy.scm | 29 | ||||
| -rw-r--r-- | gnu/packages/python-science.scm | 20 |
2 files changed, 29 insertions, 20 deletions
diff --git a/gnu/packages/astronomy.scm b/gnu/packages/astronomy.scm index 759ccbec9e..d4c886e82b 100644 --- a/gnu/packages/astronomy.scm +++ b/gnu/packages/astronomy.scm @@ -1464,6 +1464,35 @@ re-gridding of images from one world coordinate system to another e.g. changing the pixel resolution, orientation, coordinate system.") (license license:bsd-3))) +(define-public python-sgp4 + (package + (name "python-sgp4") + (version "2.21") + (source + (origin + (method url-fetch) + (uri (pypi-uri "sgp4" version)) + (sha256 + (base32 "1vzcrlrlzmhbycdz16m8v241l8zx49vsy81wcd0yjxs80isvhyb1")))) + (build-system python-build-system) + (propagated-inputs + (list python-numpy)) + (home-page "https://github.com/brandon-rhodes/python-sgp4") + (synopsis "Track earth satellite TLE orbits using SGP4") + (description + "This package provides a Python implementation for computations of the +position and velocity of an earth-orbiting satellite, given the satellite’s +@acronym{TLE, Two-line element set} orbital elements from a source like +@url{CelesTrak, https://celestrak.org/}. + +It implements the most recent version of @acronym{SGP4, Simplified General +Perturbation models}, and is regularly run against the SGP4 test suite to make +sure that its satellite position predictions agree to within 0.1 mm with the +predictions of the standard distribution of the algorithm. This error is far +less than the 1–3 km/day by which satellites themselves deviate from the ideal +orbits described in TLE files.") + (license license:expat))) + (define-public python-sunpy (package (name "python-sunpy") diff --git a/gnu/packages/python-science.scm b/gnu/packages/python-science.scm index ef4d93500a..dab044d9f7 100644 --- a/gnu/packages/python-science.scm +++ b/gnu/packages/python-science.scm @@ -290,26 +290,6 @@ logic, also known as grey logic.") genetic variation data.") (license license:expat))) -(define-public python-sgp4 - (package - (name "python-sgp4") - (version "2.21") - (source - (origin - (method url-fetch) - (uri (pypi-uri "sgp4" version)) - (sha256 - (base32 "1vzcrlrlzmhbycdz16m8v241l8zx49vsy81wcd0yjxs80isvhyb1")))) - (build-system python-build-system) - (propagated-inputs - (list python-numpy)) - (home-page "https://github.com/brandon-rhodes/python-sgp4") - (synopsis "Track earth satellite TLE orbits using SGP4") - (description - "This package provides a Python implementation of the most recent version -of the SGP4 satellite tracking algorithm.") - (license license:expat))) - (define-public python-trimesh (package (name "python-trimesh") |