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Low-Earth Orbit

5 GoKawiil briefs on this topic

Astronomers track solar storms using drag on SpaceX's Starlink fleet

Researchers are monitoring the atmospheric drag experienced by SpaceX's more than 11,000 Starlink satellites to calculate a daily 'sink rate,' the altitude a typical satellite at 480 km would lose in one day without thruster corrections. In 2026 that figure has swung from 19.7 meters per day during quiet conditions to 127.6 meters per day during the year's largest geomagnetic storm in January.

Odin Space and Atomic-6 build sensors and lighter shields to combat orbital debris

Odin Space is selling adhesive vibration sensor strips that satellites can use to detect and measure debris impacts, addressing the mystery behind many small-satellite failures. Meanwhile, Atlanta-area company Atomic-6 is working on lighter alternative shielding to replace or improve upon traditional aluminum panels and Whipple shields used to protect spacecraft from high-speed debris strikes.

Isar Aerospace launches Spectrum rocket, becomes first commercial orbital launch in Europe

Isar Aerospace, a German startup founded in 2018 by three Technical University of Munich students, launched its Spectrum rocket from Andøya Spaceport in Arctic Norway on Saturday. The two-stage, 92-foot rocket reached low-Earth orbit about seven minutes after liftoff, marking the first fully commercial European launch vehicle to do so. CEO Daniel Metzler called it a milestone giving Europe independent access to space.

Russia's Rassvet satellite constellation stalls far below planned orbit

Russia's Bureau 1440 has launched 32 Rassvet satellites in two batches this year, but none have reached their intended 500-mile orbit. Tracking data shows most satellites topped out near 300 miles, several stopped maneuvering entirely, and at least three have already reentered or appear headed for reentry.

Orbital Congestion Forces SpaceX and Competitors Into Frequent Collision-Avoidance Maneuvers

Growing numbers of satellites and debris in low-Earth orbit are prompting SpaceX and other operators to repeatedly reposition spacecraft to avoid collisions. The increasing density of objects, ranging from active satellites to defunct hardware and fragments, is straining existing traffic-management practices.