Space News Mission Log — Satellite Launches, Orbital Events & Analysis
Daily space news, satellite launch reports, orbital debris analysis and weekly roundups — grounded in live tracking data from our network monitoring 163 published reports.
TDRS: NASA's Data Relay Network in Geostationary Orbit
The Tracking and Data Relay Satellite (TDRS) system is a network of American communications satellites operated by NASA. Designed to support space missions by providing continuous data relay services, TDRS satellites are crucial for maintaining near-constant communication with spacecraft in low Eart
Understanding TLEs: The Backbone of Satellite Tracking
A TLE, or Two-Line Element Set, is a data format used to convey satellite orbital parameters, crucial for predicting satellite positions.
Explore the Launch Log: A Comprehensive Historical Launch Database
The Launch Log is a comprehensive historical launch database, detailing every orbital launch. Explore its features and learn how to use it effectively.
Comprehensive Guide to Orbital Radar's Satellite Directory
Discover how to use Orbital Radar's Satellite Directory for efficient satellite database searches, tracking 17,926 active satellites.
How Satellites Are Tracked: A Comprehensive Guide
Satellites are tracked using radar, optical telescopes, and radio signals, ensuring precise orbital data for over 28,000 objects.
China's Tallest Rocket Debuts Amid SpaceX's Historic IPO
China successfully launches its tallest rocket, while SpaceX's IPO sees shares rise by 20%. Astronomers express concerns over orbital data centres.
How to Track Satellites: A Comprehensive Guide
Discover how to track satellites in orbit, including understanding orbital parameters and using tracking tools effectively.
Iridium NEXT: The Flash-Free Replacement Constellation
Iridium NEXT is a satellite constellation developed by Iridium Communications to replace its original satellite network. The constellation consists of 66 active satellites, with additional spares in orbit, designed to provide global voice and data communication services.
How Satellite Internet Works: A Comprehensive Guide
Satellite internet connects remote areas by transmitting data between ground stations and satellites in orbit, such as Starlink's network.
Satellite Imagery Explained: Understanding Earth Observation Satellites
Satellite imagery is captured by Earth observation satellites that monitor the planet from orbit, providing critical data for various applications.
Space Force Awards $398 Million Satellite Contract
The U.S. Space Force has awarded Northrop Grumman a $398 million contract for satellite development, while NASA advances its Mars communications orbiter plans.
This Week in Orbit: 2026-05-10
This week, the European Space Agency (ESA) and the Japan Aerospace Exploration Agency (JAXA) have finalised an agreement for a collaborative mission to the asteroid Apophis. This mission aims to study the asteroid's composition and trajectory, which will provide valuable data for planetary defence s