class_docstr: EDR file handler.
docstr: Get the start orbit number.
docstr_tok: ["Get","the","start","orbit","number","."]
code: def start_orbit_number(self):
      """Get the start orbit number."""
      return self.filename_info["orbit"]
  
file_path: satpy/satpy/readers/omps_edr.py
imports: import logging
  from datetime import datetime, timedelta
  import numpy
  from satpy.readers.hdf5_utils import HDF5FileHandler
label_desc: Use image node_id 1 for calling the EDRFileHandler obj's underlying member method code with example usage: obj.start_orbit_number() and returns: self