Open-source satellite tracker and pass predictor for Android, inspired by Gpredict

OREKIT is a free low level space dynamics library written in Java. Please visit our Gitlab instance for issues and contributions: https://gitlab.orekit.org

Simplified perturbations models

Orbit Determination with Python

spacecraft orbit calculate

Predict GNSS Shadowing and HDOP Maps and plan HDOP optimal routes

All-in-one open-source utility for SDR-based satellite tracking. All you need to establish your own ground station with your equipment.

Python tools for working with Orbit Ephemeris Messages (OEMs)

Satellite prediction library for crystal using the sgp4 model

Mission Planning for Large Constellations

This repo demonstrates satellite position calculation, mapping, almanac and rinex data manipulating for Beidou satellites of GNSS

Satellite Viewer for LEO Satellites

Simple J2 propagator modeled in Simulink

The goal of this project is to create a functional satellite ground station, able to receive VHF transmissions from NOAA sats and more!

Satellite Information Tool For Finding Passing Times and Locations | Written in Python

Online 3d web to track nasa satellites & astros. 3D alternative for J-Track 3D from NASA

Download satellite orbital elements from Space Track and other sources

Crash Severity Prediction, used to predict crash severity using CAS Open Data and Maxar Satellite Imagery

A Swift package to compute satellite positions from two-line elements (TLE).

Perl classes to predict satellite position and visibility