Tag: #satellites

Amazon to Launch 40 Leo Satellites on ULA’s Vulcan on Nov. 13 — Largest Leo Payload Yet

Amazon will launch 40 Leo broadband satellites aboard ULA’s Vulcan from Cape Canaveral on Nov. 13, the largest Leo payload and Vulcan’s return to flight.

$AMZN, #amazon, #leo, #vulcan, #satellites

Preprint Models Hypothetical 1‑Megaton Nuclear Blast in Space That Could Disable Nearly All LEO Satellites in a Week

An arXiv preprint models a hypothetical 1‑megaton nuclear blast at 500 km over the South Atlantic, finding it could disable about 98% of LEO satellites within a week.

#space, #satellites, #nuclear, #orbitaldebris

Study: Proposed 1‑Million‑Satellite Orbital Data Centers Could Severely Disrupt Vera C. Rubin Observatory

An arXiv simulation finds a proposed ~1M‑satellite orbital data‑center constellation could contaminate large shares of the Rubin Observatory's planned sky survey.

#astronomy, #satellites, #rubinobservatory, #lsst

Preprint proposes using inspector satellites to detect hidden nuclear warheads in constellations

An arXiv preprint models how tens of inspector spacecraft could inspect thousands of satellites over years, using photon beams to detect a hidden nuclear warhead.

#space, #armscontrol, #nuclear, #satellites

Northrop Grumman Launches Robotic Servicer Toward Geosynchronous Orbit

The Mission Robotic Vehicle carrying DARPA-funded RSGS and three extension pods launched July 21 from Cape Canaveral to test robotic servicing in GEO.

$NOC, #space, #satellites, #northropgrumman, #onorbitservicing

Study: CubeSat-sized inspector could, in principle, verify ban on nuclear weapons in orbit

MIT modeling shows a 9U CubeSat with directional neutron detectors could, in principle, detect unshielded thermonuclear weapons in low Earth orbit.

#space, #arms-control, #nuclear, #satellites

Three FireSat satellites launched on SpaceX rideshare to expand wildfire-detection network

Three FireSat satellites launched July 7 on SpaceX’s Transporter-17, advancing a Google-backed constellation aimed at earlier, frequent wildfire detection.

#wildfires, #satellites, #spacex, #firesat, #earthobservation

Rocket Lab to Buy Iridium for About $8 Billion, Adding Global Satellite Network

Rocket Lab will buy Iridium for about $8 billion in cash and stock, gaining a global LEO communications network, licensed spectrum and 2.55M subscribers.

$RKLB, $IRDM, #rocketlab, #iridium, #mergers, #satellites, #space

Space Force Delivers Final GPS III Satellite, Completing Block III Production

The Space Force launched GPS III-8 (SV-10) on April 21, completing the Block III production run and advancing GPS modernization toward GPS IIIF.

#gps, #spaceforce, #spacex, #satellites, #launch

Amazon to Acquire Globalstar and Move Apple iPhone, Watch Satellite Services to Amazon Leo

Amazon agreed to buy Globalstar and will migrate Apple’s Emergency SOS and other iPhone/Watch satellite features onto its Amazon Leo LEO network.

$AMZN, $GSAT, #amazon, #apple, #satellites, #globalstar

NOAA‑20 Misses Ground Contact, Causing One‑Orbit Delay in Weather Data

NOAA reports a brief delay in stored mission data from polar satellite NOAA‑20 after an April 6 ground contact miss; engineers expected recovery on a later pass.

#noaa, #weather, #satellites, #satelliteops