Overview

poliastro is a pure Python open-source astrodynamics library focused on orbital mechanics and spacecraft trajectory simulation. Note: poliastro is archived and no longer actively maintained.

Basic Information

  • License: MIT
  • Source: poliastro Community
  • Official Docs: https://docs.poliastro.space
  • GitHub: https://github.com/poliastro/poliastro
  • Python versions: 3.8 – 3.11

Key Features

  • Analytical and numerical orbit propagation (Kepler, Cowell)
  • Classical orbital elements ↔ position/velocity vector conversion
  • Coordinate system transformations and impulsive maneuver design (Hohmann, bi-elliptic, Lambert)
  • 2D/3D static and interactive trajectory plotting
  • SPICE kernel-based planetary ephemerides
  • Atmospheric models (COESA 1962/1976, Jacchia)

Use Cases

  • LEO/MEO/GEO orbit design
  • Interplanetary transfer orbits and Lambert problem solving
  • Low-thrust trajectory analysis and rapid mission prototyping

Official Resources

  • Website: https://www.poliastro.space/
  • GitHub: https://github.com/poliastro/poliastro