Orbital Dynamics

Starlink Lowers 4,400 Satellites for Safety

SpaceX says it will shift roughly 4,400 Starlink satellites from ~550 km to ~480 km in 2026 to reduce collision risk, speed up deorbiting of dead hardware, and ease growing traffi… Jan 03, 2026

Space

Moon, Mercury and Magnetospheres: Five 2026 Missions

From a crewed lunar flyaround to a long‑awaited Mercury arrival and new heliosphere probes, 2026 will be a pivotal year for missions that test human systems, hunt lunar resources … Dec 31, 2025

Space

MAVEN May Be Lost Around Mars

NASA engineers are racing to re-establish contact with the MAVEN orbiter after it failed to reconnect following a routine pass behind Mars on 6 December 2025; partial tracking dat… Dec 16, 2025

Space

The Case for Cleaning Up Space Junk

As launches and constellations surge, broken satellites and fragments are crowding low Earth orbit. New research and agency reports lay out technical fixes, a circular economy app… Dec 09, 2025

Space

Interstellar Comet 3I/ATLAS Enters Solar Conjunction Ahead of Perihelion

3I/ATLAS moved into solar conjunction on October 21 and will reach perihelion on October 29; post‑perihelion measurements will help distinguish natural and artificial‑origin hypot… Nov 12, 2025

Space

Astronomers discover skyscraper-size asteroid hidden in sun's glare — and it's moving at a near-record pace | Live Science

The newly discovered "twilight" asteroid, 2025 SC79, was obscured by the sun's glare until an astronomer pointed the Dark Energy Camera at it, highlighting the potential dangers o… Nov 12, 2025

Articles about Orbital Dynamics

Starlink Lowers 4,400 Satellites for Safety

Moon, Mercury and Magnetospheres: Five 2026 Missions

MAVEN May Be Lost Around Mars

The Case for Cleaning Up Space Junk

Interstellar Comet 3I/ATLAS Enters Solar Conjunction Ahead of Perihelion

Astronomers discover skyscraper-size asteroid hidden in sun's glare — and it's moving at a near-record pace | Live Science