Issues

• Satrec.sgp4init writes I and O as Alpha-5 letters

  brandon-rhodes/python-sgp4#173 · Filter by author hneogy opened on Oct 10, 2026

• Support OMM NORAD catalog numbers beyond the Alpha-5 range

  brandon-rhodes/python-sgp4#169 · Filter by author michaelbaisch opened on Aug 20, 2026
  5

• export_omm() fails when OBJECT_ID is empty

  enhancement
  brandon-rhodes/python-sgp4#168 · Filter by author michaelbaisch opened on Aug 18, 2026
  1

• Fallback pure-Python API does not correctly handle zero-length Numpy arrays

  brandon-rhodes/python-sgp4#164 · Filter by author lpsinger opened on Jun 19, 2026
  2

• release GIL when in Cpp

  brandon-rhodes/python-sgp4#152 · Filter by author vianneylanguille opened on Mar 11, 2026

• Some TLE from Space-Track blow up propagation, probably due to high ndot?

  brandon-rhodes/python-sgp4#137 · Filter by author 1valdis opened on Mar 20, 2025
  13

• [RFC] API for "zipped" parallel computation

  feature request
  brandon-rhodes/python-sgp4#114 · Filter by author mbmccoy opened on Feb 12, 2023
  1