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 30 published reports.
Satellite Spotlight: GPS IIR-11 — The Backbone of Global Navigation
GPS IIR-11 is part of the Global Positioning System (GPS), a network of satellites that provides geolocation and time information to a GPS receiver anywhere on or near the Earth. Launched on 31 March 2003, GPS IIR-11 is one of the Block IIR satellites, which are the second generation of GPS satellit
Space Force Expands GPS Network Amid Satellite Close Approaches
The U.S. Space Force has contracted Lockheed Martin for two additional GPS satellites, while several close approaches in orbit are monitored.
Russia's GPS Jamming Raises Concerns Amidst Satellite Close Approaches
Russia's GPS jamming from space raises safety concerns as satellites experience close approaches.
GPS IIR-11: The Backbone of Global Navigation
GPS IIR-11, also known by its NORAD ID 26407, is a part of the Global Positioning System (GPS), a network of satellites providing geolocation and time information to a GPS receiver anywhere on or near the Earth. Launched on 31 March 2003, GPS IIR-11 is one of the 31 operational satellites in the GPS
GPS vs Galileo vs GLONASS vs BeiDou: Comparing Global Navigation Systems
GPS, Galileo, GLONASS, and BeiDou are global navigation satellite systems offering varying coverage, accuracy, and features.
Medium Earth Orbit: Understanding Its Role in Satellite Operations
Medium Earth Orbit (MEO) is a region of space where satellites orbit at altitudes between 2,000 and 35,786 km, crucial for navigation and communications.
BeiDou-3: China's Global Navigation System
BeiDou-3 is the third generation of China's BeiDou Navigation Satellite System (BDS), which provides global navigation services. Officially completed in 2020, BeiDou-3 marks China's full entry into the global navigation satellite systems (GNSS) arena, alongside GPS (United States), GLONASS (Russia),
Military Satellites: Understanding Their Role and Impact
Military satellites are crucial for defence, providing communication, surveillance, and navigation capabilities. Learn how they function and their strategic importance.
How Many Satellites Are in Orbit: A Comprehensive Guide
As of 2026, there are 17,907 active satellites in orbit, with a total of 28,248 catalogued objects including debris.
Understanding GDOP and PDOP in GNSS: A Detailed Guide
GDOP and PDOP are key metrics in GNSS, affecting positioning accuracy. Learn their roles and significance in satellite navigation.
What Satellite Is Above Me Right Now? A Comprehensive Guide
Find out which satellite is currently above you by using real-time tracking tools. Understand satellite types, orbits, and how to observe them.
Understanding the BeiDou Satellite System: A Comprehensive Guide
The BeiDou Navigation Satellite System, China's global GNSS, offers positioning, navigation, and timing services worldwide.