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 21 published reports.
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 satellite in the Global Positioning System (GPS) constellation, which provides geolocation and time information to a GPS receiver anywhere on Earth. Launched on 6 November 2004, it is part of the Block IIR series, which comprises 21 satellites desig
GPS IIR-11: The Backbone of Global Navigation
GPS IIR-11, also known as USA-158, is part of the Block IIR series of GPS satellites, which were designed to enhance the accuracy and reliability of the Global Positioning System (GPS). Launched on 31 March 2003, GPS IIR-11 (NORAD ID: 27704) is one of the 21 Block IIR satellites that were built by L
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.
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.
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.
Orbital Mechanics Explained: How Satellites Stay in Orbit
Orbital mechanics govern how satellites remain in orbit, balancing gravitational forces and velocity to maintain stable paths.
Gravitational Time Dilation: Time's Subtle Dance in Space
Discover how gravitational time dilation affects time perception in space, making time move faster for your head than your feet.
Military Satellites: Comprehensive Guide to Their Role and Function
Military satellites are spacecraft used for defence and intelligence. They play crucial roles in communication, navigation, and surveillance.
Understanding the Kp Index: Measuring Geomagnetic Storms
The Kp Index measures geomagnetic storm intensity on a scale from 0 to 9, crucial for understanding space weather impacts.