Alternatives and similar repositories for OPI:

Users that are interested in OPI are comparing it to the libraries listed below

• handong1979 / orbitdynamics
  spacecraft orbit calculate
  ☆55Updated 3 years ago
• nasa / CARA_Analysis_Tools
  ☆67Updated 2 weeks ago
• deflorio / SpOCK
  Spacecraft Orbital Computations Kit (SpOCK)
  ☆41Updated last month
• lcx366 / ORBDTOOLS
  A set of routines for data processing related to ORBit Determination(ORBD) of space objects
  ☆14Updated 5 months ago
• rodrigo-moliveira / orbidet
  A simple orbit determination package (kalman filter estimation), which I coded for my master's thesis
  ☆12Updated 3 years ago
• GorgiAstro / laser-orbit-determination
  ☆25Updated 5 months ago
• Astrodynamics / SpaceDSL
  SpaceDSL is astrodynamics simulation library. This library can work on Windows, Linux and Mac OS.
  ☆35Updated 4 years ago
• ut-astria / orbdetpy
  Orbit Determination with Python
  ☆118Updated last year
• esa / cascade
  Propagate the evolution of large number of orbiting objects while detecting reliably conjunctions and collisions.
  ☆26Updated last month
• sammmlow / ORBITM
  ORBITM - Orbit maintenance, propulsion sizing, and life-time estimation of space objects!
  ☆68Updated 9 months ago
• Bill-Gray / sat_code
  Code for the SGP4/SDP4 satellite motion model, and for manipulating TLEs (Two-Line Elements).
  ☆158Updated this week
• EarthObservationSimulator / orbitpy
  Python package (with C++ base) to compute satellite remote-sensing related orbit data.
  ☆13Updated last month
• nasa / Coordinate-systems-class-library
  ☆37Updated 4 years ago
• Kevin0602 / UKF-Orbit-Determination-HPOP
  Orbit Determination with UKF based on HPOP
  ☆28Updated 6 years ago
• gunvirranu / perturb
  🌎 sgp4 orbit propagation library for modern c++11
  ☆25Updated last week
• open-space-collective / open-space-toolkit-astrodynamics
  Flight profile, orbit, attitude, access.
  ☆60Updated this week
• nasa / EMTG
  NASA Goddard's Evolutionary Mission Trajectory Generator (EMTG)
  ☆55Updated 2 months ago
• magnific0 / nrlmsise-00
  Unofficial Github repository of the C source code for the NRLMSISE-00 Model 2001 empirical atmosphere model.
  ☆24Updated 7 years ago
• cbassa / satconsim
  Satellite Constellation Simulator
  ☆19Updated last year
• srenevey / satops
  A simulation environment to predict spacecraft attitude and trajectories
  ☆9Updated 4 years ago
• jorgepiloto / astrodynamics
  All Matlab codes from Orbital Mechanics for Engineering Students book
  ☆38Updated 5 years ago
• openastro / astro
  Astrodynamics library
  ☆30Updated this week
• duncaneddy / brahe
  A Python satellite guidance, navigation, and control library.
  ☆33Updated this week
• galactics / beyond
  Flight Dynamic Library
  ☆48Updated last week
• bradsease / oem
  Python tools for working with Orbit Ephemeris Messages (OEMs)
  ☆20Updated 6 months ago
• DeepHorizons / Python-NRLMSISE-00
  A python port of the NRLMSISE-00 2001 model of the atmosphere
  ☆13Updated 8 years ago
• spel-uchile / Pypredict
  Real-time satellite tracker and orbit propagator
  ☆59Updated 5 months ago
• Spacecraft-Code / Vallado
  https://celestrak.com/software/vallado-sw.asp
  ☆24Updated 7 years ago
• pleiszenburg / hapsira
  hapsira - Astrodynamics in Python - a poliastro fork
  ☆24Updated 8 months ago
• GorgiAstro / orbit-determination-examples
  Examples for orbit determination using Orekit
  ☆10Updated 4 years ago