old_contents: # -*- coding: utf-8 -*-
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  A coordinate or frame in the TEME (True Equator, Mean Equinox) system.
  
  TEME is a True equator, Mean Equinox coordinate frames used in NORAD TLE
  satellite files.
  These are distinct from the ICRS and AltAz frames because they are just
  rotations without aberration corrections or offsets.
  """
  # -*- coding: utf-8 -*-
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  
  from astropy.utils.decorators import format_doc
  from astropy.coordinates.representation import CartesianRepresentation, CartesianDifferential
  from astropy.coordinates.baseframe import BaseCoordinateFrame, base_doc
  from astropy.coordinates.attributes import TimeAttribute
  from .utils import DEFAULT_OBSTIME
  
  __all__ = ['TEME']
  
  doc_footer_teme = """
      Other parameters
      ----------------
      obstime : `~astropy.time.Time`
          The time at which the frame is defined.  Used for determining the
          position of the Earth.
  """
  
  
  @format_doc(base_doc, components="", footer=doc_footer_teme)
  class TEME(BaseCoordinateFrame):
      """
      A coordinate or frame in the True Equator Mean Equinox frame (TEME).
  
      This frame is a geocentric system similar to CIRS or geocentric apparent place,
      except that the mean sidereal time is used to rotate from TIRS. TEME coordinates
      are most often used in combination with orbital data for satellites in the
      two-line-ephemeris format.
  
      For more background on TEME, see the references provided in the
      :ref:`astropy-coordinates-seealso` section of the documentation.
      """
  
      default_representation = CartesianRepresentation
      default_differential = CartesianDifferential
  
      obstime = TimeAttribute(default=DEFAULT_OBSTIME)
  
  # Transformation functions for getting to/from TEME and ITRS are in
  # intermediate rotation transforms.py
  
new_contents: # -*- coding: utf-8 -*-
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  """
  A coordinate or frame in the TEME (True Equator, Mean Equinox) system.
  
  TEME is a True equator, Mean Equinox coordinate frames used in NORAD TLE
  satellite files.
  These are distinct from the ICRS and AltAz frames because they are just
  rotations without aberration corrections or offsets.
  """
  # -*- coding: utf-8 -*-
  # Licensed under a 3-clause BSD style license - see LICENSE.rst
  
  from astropy.utils.decorators import format_doc
  from astropy.coordinates.representation import CartesianRepresentation, CartesianDifferential
  from astropy.coordinates.baseframe import BaseCoordinateFrame, base_doc
  from astropy.coordinates.attributes import TimeAttribute
  from .utils import DEFAULT_OBSTIME
  
  __all__ = ['TEME']
  
  doc_footer_teme = """
      Other parameters
      ----------------
      obstime : `~astropy.time.Time`
          The time at which the frame is defined.  Used for determining the
          position of the Earth.
  """
  
  
  @format_doc(base_doc, components="", footer=doc_footer_teme)
  class TEME(BaseCoordinateFrame):
      """
      A coordinate or frame in the True Equator Mean Equinox frame (TEME).
  
      This frame is a geocentric system similar to CIRS or geocentric apparent place,
      except that the mean sidereal time is used to rotate from TIRS. TEME coordinates
      are most often used in combination with orbital data for satellites in the
      two-line-ephemeris format.
  
      Different implementations of the TEME frame exist. For clarity, this frame follows the
      conventions and relations to other frames that are set out in Vallado et al (2006).
  
      For more background on TEME, see the references provided in the
      :ref:`astropy-coordinates-seealso` section of the documentation.
      """
  
      default_representation = CartesianRepresentation
      default_differential = CartesianDifferential
  
      obstime = TimeAttribute(default=DEFAULT_OBSTIME)
  
  # Transformation functions for getting to/from TEME and ITRS are in
  # intermediate rotation transforms.py
  
subject: add Vallado ref to docstring