Orbit Propagators – ephemerista.propagators

Orbital propagation engines provide different methods for computing satellite trajectories.

See also

For user tutorials on propagation, see the Python API section on Propagation.

Available Propagators

• SGP4 Propagator - ephemerista.propagators.sgp4 - SGP4/SDP4 analytical propagator for TLE-based orbits

• Orekit-based Propagators and Utilities – ephemerista.propagators.orekit - High-precision Orekit-based propagators

• Precomputed Trajectory Interpolator - ephemerista.propagators.oem - Orbit Ephemeris Message interpolation

• Orekit-based Propagators and Utilities – ephemerista.propagators.orekit
  • CCSDS ODM I/O - ephemerista.propagators.orekit.ccsds
    • CcsdsFileFormat
    • parse_oem()
    • parse_omm()
    • parse_opm()
    • write_oem()
    • write_omm()
    • write_opm()
  • Orekit Type Conversion Utilities - ephemerista.propagators.orekit.conversions
    • abs_date_to_time()
    • cartesian_to_orbit()
    • cartesian_to_tpv()
    • orekit_to_keplerian()
    • time_to_abs_date()
    • time_to_j2000_tai()
    • tpv_to_cartesian()
    • trajectory_to_ephemeris()
  • Numerical Orekit Propagators - ephemerista.propagators.orekit.numerical
    • NumericalPropagator
      • NumericalPropagator.propagator_type
  • Semi-Analytical Orekit Propagators - ephemerista.propagators.orekit.semianalytical
    • SemiAnalyticalPropagator
      • SemiAnalyticalPropagator.propagator_type
• SGP4 Propagator - ephemerista.propagators.sgp4
  • SGP4
    • SGP4.propagator_type
    • SGP4.tle
    • SGP4.propagate()
    • SGP4.time
• Precomputed Trajectory Interpolator - ephemerista.propagators.oem
  • OEMPropagator
    • OEMPropagator.content
    • OEMPropagator.filename
    • OEMPropagator.propagator_type
    • OEMPropagator.time_step
    • OEMPropagator.propagate()