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

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

Predict GNSS Shadowing and HDOP Maps and plan HDOP optimal routes

Python tools for working with Orbit Ephemeris Messages (OEMs)

Mission Planning for Large Constellations

Satellite prediction library for crystal using the sgp4 model

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

Simple J2 propagator modeled in Simulink

Satellite Viewer for LEO Satellites

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

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

Homemade antenna system for satellite tracking

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

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

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

Python library for satellites in LEO (Low Earth Orbit): propagation, predictions & more

Perl classes to predict satellite position and visibility

Webapp for learning about and tracking satellites orbiting Earth.

Simple Satellite Next passes predictor & Position tracker with N2yo Api

Generates satellite viewing opportunities over a location

Satellite Orbit Propagation as a Service. gRPC API for U.S. Space Force (USSF) SGP4 / SGP4‑XP propagator. Catalog‑scale satellite processing, ephemeris generation, and built‑in mem. management. Written in Go

Simple satellite tracker

Application to predict satellite visibility using Astro::Coord::ECI

Bidirectional satellite AOI monitoring system

Navigation_Calculation_Of_Gps_Satellite-Position