orbital-data

Well-structured and up-to-date Sentinel-1 RESORB and POEORB orbit data for InSAR processing

Free interactive electron configuration builder for all 118 elements: full & noble-gas notation, animated orbital box diagrams, Aufbau order, Hund's rule, Pauli principle, Cr/Cu exceptions, Bohr shells and a mini periodic table. For chemistry students & teachers.

HandStar product information, public data notes, release updates and feedback — application source code is not published here.

Space-Track — independent third-party profile of a public API surface, by API Evangelist. US military space surveillance REST API providing Two-Line Element (TLE) sets, conjunction data messages, orbital element sets, satellite catalog data, and decay predictions for tracked satellites and debris operated by the 18th Space Control Squadron.

Ionizing radiation data measured by the Timepix sensor onboard VZLUSAT-1 CubeSat in 500 km Low-Earth-Orbit.

FlightRadar24 for space: open-source, physics-grade tracker and real-time visualizer for every object in Earth orbit. Democratizing space-situational awareness with a real-time, GPU-accelerated orbital map for satellites, spent stages, and space debris.

A Python wrapper for interacting with NASA's APIs to retrieve Mars-related data, including weather, rover images, and orbital information.

Automated mirror of satellite orbital data (CelesTrak, SatNOGS, stdmag) for Satvisor

LeoLabs — independent third-party profile of a public API surface, by API Evangelist. LeoLabs is a commercial space situational awareness company that operates a global network of phased-array radars and a cloud analytics platform delivering what it calls Persistent Orbital Intelligence for low Earth orbit.