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LOW EARTH ORBIT: DEFINITION, THEORY AND FACTS - In very simple terms, low Earth orbit (LEO) is exactly what it sounds like: An orbit around the Earth with an altitude that lies towards the lower end of the range of possible orbits. This is around 1,200 miles (2,000 kilometers) or less. The majority of satellites are to be found in LEO, as is the International Space Station (ISS).
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SATELLITE NEWS

SEE HURRICANE IAN CHURN IN VIDEO FROM INTERNATIONAL SPACE STATION SEE HURRICANE IAN CHURN IN VIDEO FROM INTERNATIONAL SPACE STATION - Cameras aboard the International Space Station (ISS) are providing a birds-eye view of Hurricane Ian as it churns northward toward Florida. The storm looks gigantic in video captured Monday (Sept. 26) by cameras mounted to the exterior of the ISS, which flies about 250 miles (400 kilometers) abov...   More
(Source: Space.com - Sep 28)


DELTA 4-HEAVY ROCKET DEPLOYS SPYSAT ON FINAL PLANNED MISSION FROM ‘SLICK SIX’ DELTA 4-HEAVY ROCKET DEPLOYS SPYSAT ON FINAL PLANNED MISSION FROM ‘SLICK SIX’ - United Launch Alliance sent a triple-core Delta 4-Heavy with a top secret U.S. government spy satellite into orbit Saturday from California’s Central Coast, closing out a chapter in the tangled history of a launch pad originally built to support military astronaut missions on Titan rockets and spa...   More
(Source: SpaceFlight Now - Sep 27)


SLS TO ROLL BACK TO VAB AS HURRICANE APPROACHES FLORIDA SLS TO ROLL BACK TO VAB AS HURRICANE APPROACHES FLORIDA - NASA will move the Space Launch System rocket from its launch pad back the Vehicle Assembly Building as a precaution for an approaching hurricane, a decision that may delay the Artemis 1 mission until November. NASA announced Sept. 26 that mission managers decided, after days of deliberation, to ...   More
(Source: SpaceNews - Sep 27)


NRO SATELLITE FLIES TO ORBIT IN DELTA 4’S FINAL WEST COAST LAUNCH NRO SATELLITE FLIES TO ORBIT IN DELTA 4’S FINAL WEST COAST LAUNCH - United Launch Alliance launched a classified National Reconnaissance Office spy satellite on a Delta 4 Heavy rocket September 24 at 3:25 p.m. Pacific from Space Launch Complex-6 at Vandenberg Air Force Base, California. NROL-91 is the Delta 4’s final mission from the West Coast. The vehicle las...   More
(Source: SpaceNews - Sep 27)


OPEN COSMOS UNVEILS OPENCONSTELLATION, SHARED SPACE INFRASTRUCTURE OPEN COSMOS UNVEILS OPENCONSTELLATION, SHARED SPACE INFRASTRUCTURE - British small satellite startup Open Cosmos announced plans Sept. 21 for OpenConstellation, shared space infrastructure that offers partners access to satellite data. At the International Astronautical Congress here, Open Cosmos invited countries, institutions or companies around the world to con...   More
(Source: SpaceNews - Sep 23)


SOYUZ MS-22 SPACECRAFT DOCKS TO SPACE STATION – NEW CREW BEGINS SIX-MONTH MISSION SOYUZ MS-22 SPACECRAFT DOCKS TO SPACE STATION – NEW CREW BEGINS SIX-MONTH MISSION - NASA astronaut Frank Rubio and Roscosmos cosmonauts Sergey Prokopyev and Dmitri Petelin on the Soyuz MS-22 spacecraft docked to the International Space Station (ISS) at 1:06 p.m. EDT (10:06 a.m. PDT) on Wednesday, September 21. The hatches between the International Space Station and the newly arr...   More
(Source: SciTechDaily - Sep 23)


NASA ASTRONAUT LAUNCHES TO SPACE STATION ABOARD RUSSIAN ROCKET NASA ASTRONAUT LAUNCHES TO SPACE STATION ABOARD RUSSIAN ROCKET - Despite severely strained U.S.-Russian foreign relations, an American astronaut joined two Russian cosmonauts aboard a Soyuz spacecraft in Kazakhstan and rocketed into orbit Wednesday on a two-orbit flight to the International Space Station. With commander Sergey Prokopyev at the controls, flanke...   More
(Source: SpaceFlight Now - Sep 22)


SOYUZ ROCKET ROLLS OUT FOR LAUNCH OF RUSSIAN-AMERICAN CREW TO SPACE STATION SOYUZ ROCKET ROLLS OUT FOR LAUNCH OF RUSSIAN-AMERICAN CREW TO SPACE STATION - Ground teams at the Baikonur Cosmodrome in Kazakhstan rolled a Soyuz rocket to its launch pad Sunday, moving a step closer to liftoff Wednesday with a team of two Russian cosmonauts and a NASA astronaut heading for the International Space Station, the first flight of a U.S. crew member on a Russian ...   More
(Source: - Sep 21)


STARLINK GROUP 4-34 MISSION FINALLY LIFTS OFF AFTER WEATHER DELAYS STARLINK GROUP 4-34 MISSION FINALLY LIFTS OFF AFTER WEATHER DELAYS - A SpaceX Falcon 9 Block 5 carrying 54 Starlink satellites has finally launched at 8:18 PM EDT on Sunday, Sept. 18 (00:18 UTC on Sept. 19) after unfavorable weather scrubbed attempts on Tuesday, Wednesday, Thursday, and Friday. A Saturday launch opportunity was also called off. This mission launch...   More
(Source: NASASpaceFlight.com - Sep 20)


PLANET SHARES INFORMATION ON TANAGER HYPERSPECTRAL CONSTELLATION PLANET SHARES INFORMATION ON TANAGER HYPERSPECTRAL CONSTELLATION - Planet released additional information about the hyperspectral constellation the Earth-observation company is developing through the Carbon Mapper public-private partnership. San Francisco-based Planet remains on schedule to launch the first two hyperspectral satellites in 2023 to gather data in ...   More
(Source: SpaceNews - Sep 19)


CHINESE ASTRONAUTS TAKE 4-HOUR SPACEWALK OUTSIDE NEW LAB AT TIANGONG SPACE STATION CHINESE ASTRONAUTS TAKE 4-HOUR SPACEWALK OUTSIDE NEW LAB AT TIANGONG SPACE STATION - Two Chinese astronauts took four-hour spacewalk outside the country's growing Tiangong station this weekend to work on its newest laboratory module, according to state media reports. Astronauts Chen Dong and Cai Xuzhe of the China National Space Administration began their spacewalk Saturday (Sept...   More
(Source: Space.com - Sep 18)


QUEUE FOR THE QUEEN: HUGE LINE OF QUEEN ELIZABETH II MOURNERS VISIBLE FROM SPACE QUEUE FOR THE QUEEN: HUGE LINE OF QUEEN ELIZABETH II MOURNERS VISIBLE FROM SPACE - A massive queue of mourners for Queen Elizabeth II is visible from space. Hundreds of thousands of people are expected to join a lineup, called 'The Queue' by locals, stretching 6 miles (10 km) through central London and along the Thames River from her lying-in-state location at Westminster Hall....   More
(Source: Space.com - Sep 18)


RUSSIA SAYS PRIVATE SATELLITES COULD BECOME 'LEGITIMATE TARGET' DURING WARTIME RUSSIA SAYS PRIVATE SATELLITES COULD BECOME 'LEGITIMATE TARGET' DURING WARTIME - Russia continues its trend of making provocative statements about the international order in space. As the United States continues to leverage more commercial satellites for intelligence and communications work, Russia has issued a warning that these may become a "legitimate target" for wartime o...   More
(Source: Space.com - Sep 17)


JAPAN, GERMANY DECLARE MORATORIUM ON ANTI-SATELLITE MISSILE TESTS JAPAN, GERMANY DECLARE MORATORIUM ON ANTI-SATELLITE MISSILE TESTS - Japan and Germany pledged this week not to conduct direct-ascent anti-satellite (ASAT) missile testing, throwing their weight behind the U.S.-driven initiative launched in April to promote peaceful and safe use of outer space. The two countries announced their commitment during the second session...   More
(Source: SpaceNews - Sep 16)


ROCKET LAB LAUNCHES RADAR SATELLITE TO ORBIT ON 30TH ELECTRON MISSION ROCKET LAB LAUNCHES RADAR SATELLITE TO ORBIT ON 30TH ELECTRON MISSION - Rocket Lab's 30th Electron rocket sent a commercial radar satellite soaring to Earth orbit Thursday (Sept. 15). The Electron booster lifted off from Rocket Lab's New Zealand site on the North Island's Mahia Peninsula on Thursday at 4:38 p.m. EDT (2038 GMT, or 8:38 a.m. local time on Friday, Sept....   More
(Source: Space.com - Sep 16)


VAST SPACE TO DEVELOP ARTIFICIAL-GRAVITY SPACE STATION VAST SPACE TO DEVELOP ARTIFICIAL-GRAVITY SPACE STATION - Vast Space, a Southern California startup founded by cryptocurrency billionaire Jed McCaleb, plans to establish an artificial-gravity space station in low Earth orbit. McCaleb envisions a future where millions of people are living throughout the solar system. Since other companies are helping to ...   More
(Source: SpaceNews - Sep 16)


CHINA'S NEW SPACE STATION HAS A BIG ROLE TO PLAY—SCIENTIFICALLY AND DIPLOMATICALLY CHINA'S NEW SPACE STATION HAS A BIG ROLE TO PLAY—SCIENTIFICALLY AND DIPLOMATICALLY - When the International Space Station (ISS) goes out of service in 2030, low-Earth orbit won’t be empty of cosmic labs. Already flying—if only partially constructed—is China’s two-module (soon to be three) Tiangong space station. Compared to the 16-module ISS, China’s orbiting platforms is ...   More
(Source: Time - Sep 13)


KT SAT ORDERS KOREASAT 6A COMMUNICATIONS SATELLITE FROM THALES KT SAT ORDERS KOREASAT 6A COMMUNICATIONS SATELLITE FROM THALES - Thales Alenia Space said Sept. 12 it has signed a contract to deliver a communications satellite for South Korea’s KT SAT in the fourth quarter of 2024. The Koreasat 6A spacecraft will have 20 transponders for fixed satellite services and six for TV broadcasting to replace Koreasat 6, which lau...   More
(Source: SpaceNews - Sep 13)


BLUE ORIGIN CAPSULE ESCAPES ROCKET FAILURE ON UNCREWED FLIGHT OVER TEXAS BLUE ORIGIN CAPSULE ESCAPES ROCKET FAILURE ON UNCREWED FLIGHT OVER TEXAS - The suborbital rocket developed by Jeff Bezos’s space company Blue Origin suffered its first launch failure Monday, when the main engine on the New Shepard booster appeared to cut out about a minute after liftoff from West Texas. The crew capsule, which carried NASA-funded experiments but no peopl...   More
(Source: SpaceFlight Now - Sep 13)


SPACEX TO LAUNCH FIVE SPARE IRIDIUM SATELLITES SPACEX TO LAUNCH FIVE SPARE IRIDIUM SATELLITES - Iridium will launch five of its remaining six ground spare satellites on a Falcon 9 rideshare mission in 2023, the company announced Sept. 8. Iridium said it selected SpaceX for the launch of the five satellites, sharing a launch with other, unnamed payloads. The launch is scheduled for the middl...   More
(Source: SpaceNews - Sep 12)

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