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 470 published reports.
Exploring Space: Insights from Orbital Radar Academy
Orbital Radar Academy offers comprehensive education on satellite tracking, orbital dynamics, and space debris management, equipping learners with essential space knowledge.
Artemis safety concerns: Orbital Briefing, 23 October 2026
NASA's safety panel raises concerns over Artemis IV and future access to low Earth orbit, while Dragon cargo reaches the ISS and satellite close approaches draw attention.
MMX launches towards Phobos: Orbital Briefing, 20 October
Japan's MMX mission is heading towards Mars to return samples of Phobos. Meanwhile, satellite close approaches and a busy launch schedule remain in focus.
Geostationary Transfer Orbits: A Complete Explainer
A Geostationary Transfer Orbit (GTO) is an elliptical orbit used to transfer satellites to geostationary orbit, crucial for communications satellites.
Sun-Synchronous Orbit: How Satellites Keep Consistent Light
Sun-synchronous satellites use Earth's equatorial bulge to keep a consistent solar schedule. Learn how the orbit works, why imaging missions use it and what it cannot guarantee.
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.
Understanding Orbital Inclination: The Angles of Satellite Orbits
Orbital inclination is the angle between a satellite's orbit and the Earth's equator, crucial for mission objectives.
How Many Satellites in Orbit? Counts, Types and Tracking
Earth has 15,870 active satellites, but the wider catalogue includes debris and inactive spacecraft. Here is what the counts mean and how to explore them.
Lunar Orbiters Active Today: A Complete Explainer
Lunar orbiters are satellites that orbit the Moon, providing crucial data for scientific research and future lunar missions. Discover the active orbiters today.
Understanding Orbital Period: Key Concepts and Calculations
The orbital period is the time a celestial object takes to complete one orbit around another object. Learn its significance and calculation.
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.
Understanding Satellite Orbits: LEO, MEO, GEO and Beyond
Satellite orbits, including LEO, MEO, and GEO, define how satellites move and function in space. Each orbit serves unique purposes.