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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 431 published reports.

Diagram illustrating Lunar Trailblazer's low-energy transfer path to the Moon, launching February 26, 2025.
Orbital Events

Understanding Hohmann Transfer Orbits: Efficient Space Travel

A Hohmann transfer orbit is the most efficient method to move between two circular orbits, minimizing fuel use and energy.

· 2 min
A vibrant orbital sunrise highlights Earth's atmospheric layers and the terminator line from the International Space Station.
Orbital Events

Understanding Low Earth Orbit: The Busiest Region in Space

Low Earth Orbit (LEO) is the most congested region in space, with over 18,000 active satellites and a significant amount of debris.

· 2 min
Multi-frequency radar image showing land use changes in Rondonia rainforest, Brazil, with rainstorm penetration capabilities.
Orbital Events

Understanding the Space Fence: Tracking Earth's Orbital Objects

The Space Fence radar system tracks over 28,000 objects in Earth's orbit, from satellites to debris, ensuring space safety.

· 2 min
View of Earth's atmosphere illuminated by an orbital sunrise from the International Space Station above the Pacific Ocean.
Orbital Events

Space Debris: Understanding the Growing Threat in Orbit

Space debris refers to defunct human-made objects in orbit that pose collision risks to spacecraft and satellites.

· 2 min
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Orbital Events

Space Sustainability: Ensuring the Future of Orbital Operations

Space sustainability involves managing the growing number of satellites and debris to ensure long-term usability of Earth's orbits.

· 2 min
Technicians carefully move the JPSS-2 spacecraft onto an integration and testing cart in a cleanroom.
Orbital Events

Highly Elliptical Orbits: Understanding Their Role in Space

Highly elliptical orbits (HEOs) are elongated paths used for specific satellite missions, offering unique advantages for communication and observation.

· 2 min
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Orbital Briefing

SpaceX Launches SiriusXM Satellite Amid Close Orbital Encounters

SpaceX successfully launched a SiriusXM satellite, while several close orbital encounters were monitored, highlighting the growing complexity of space traffic management.

· 2 min
NASA Mars Reconnaissance Orbiter image aiding search for Mars 2 lander debris field on Martian surface.
Orbital Events

Graveyard Orbits: Final Resting Place for Satellites

Graveyard orbits are designated zones where inactive satellites are moved to minimise space debris. Discover their importance and function.

· 2 min
Technician inspects Space Shuttle Atlantis wing attachment points at Kennedy Space Center's Orbiter Processing Facility.
Orbital Events

How Spacecraft Dock with the International Space Station

Spacecraft docking with the ISS involves precise orbital mechanics and advanced technology to ensure a safe and successful connection.

· 3 min
Illustration of Nancy Grace Roman Space Telescope launching into space with vibrant starry background.
Orbital Briefing

Roman Space Telescope Launches Amid Close Orbital Encounters

The Roman Space Telescope successfully launched, while multiple close satellite approaches were monitored. Rocket Lab prepares for a Japanese radar satellite launch.

· 2 min
SpaceX Crew-9 Falcon 9 rocket and Dragon capsule on launch pad at dawn, ready for mission.
Orbital Briefing

SpaceX Launches 27 Starlink Satellites Amidst Close Orbital Encounters

SpaceX launches 27 Starlink satellites from Vandenberg. Close orbital encounters and NASA's new Deep Space Network dish also feature.

· 2 min
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