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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

ASTRONAUTS INSTALL NEW SOLAR ARRAY OUTSIDE INTERNATIONAL SPACE STATION ASTRONAUTS INSTALL NEW SOLAR ARRAY OUTSIDE INTERNATIONAL SPACE STATION - NASA astronauts Josh Cassada and Frank Rubio headed outside the International Space Station Saturday for a seven-hour spacewalk to install and unfurl a new roll-out solar array recently delivered by a SpaceX cargo ship. Cassada and Rubio, both on their first flights to space, began the spacewalk ...   More
(Source: SpaceFlight Now - Dec 4)


FCC APPROVES SPACEX’S STARLINK GEN 2 APPLICATION UP TO 7,500 SATELLITES FCC APPROVES SPACEX’S STARLINK GEN 2 APPLICATION UP TO 7,500 SATELLITES - The FCC approved part of SpaceX’s application for the second generation of the Starlink constellation, which will allow SpaceX to deploy up to 7,500 satellites. The order was a partial approval, because SpaceX had requested approval for 29,988 satellites, and the order also put additional constrai...   More
(Source: Via Satellite - Dec 3)


ASTRONOMERS DENOUNCE SUPER-BRIGHT NEW BLUEWALKER 3 SATELLITE ASTRONOMERS DENOUNCE SUPER-BRIGHT NEW BLUEWALKER 3 SATELLITE - Astronomers are increasingly concerned about the future of the night sky as new images show shocking trails left by a massive communications satellite against otherwise clear, dark patches of sky. In September, AST SpaceMobile launched the first satellite of a new constellation into orbit, paving...   More
(Source: Space.com - Dec 2)


CHINA HAS 6 ASTRONAUTS IN SPACE FOR THE 1ST TIME CHINA HAS 6 ASTRONAUTS IN SPACE FOR THE 1ST TIME - China currently has six astronauts in orbit for the first time as the country carries out a space station crew handover. Three astronauts launched aboard the Shenzhou 15 spacecraft on Tuesday (Nov. 29) and docked with the Tiangong space station 6.5 hours later. Chen Dong, commander of the three-p...   More
(Source: Space.com - Dec 2)


NASA TO PROVIDE LIVE COVERAGE OF US SPACEWALKS OUTSIDE SPACE STATION NASA TO PROVIDE LIVE COVERAGE OF US SPACEWALKS OUTSIDE SPACE STATION - Astronauts aboard the International Space Station will conduct a pair of U.S. spacewalks in December to install rollout solar arrays to increase electrical power in support of station operations and scientific research. NASA will provide live coverage of the first spacewalk beginning at 6 a.m. ES...   More
(Source: NASA - Dec 2)


VEGA C TO LAUNCH FIVE COPERNICUS SPACECRAFT VEGA C TO LAUNCH FIVE COPERNICUS SPACECRAFT - The European Commission awarded a contract to Arianespace Nov. 29 for launches of five Copernicus Earth observation spacecraft on Vega C rockets between 2024 and 2026. The contract, Arianespace Chief Executive Stéphane Israël said in a press conference, secures the position of the European Comm...   More
(Source: SpaceNews - Dec 1)


SHENZHOU 15 ASTRONAUTS ARRIVE AT CHINA’S SPACE STATION FOR FIRST CREW HANDOVER SHENZHOU 15 ASTRONAUTS ARRIVE AT CHINA’S SPACE STATION FOR FIRST CREW HANDOVER - China has six astronauts aboard its recently-completed space station for the first time following the arrival of three crew members aboard Shenzhou-15. Shenzhou-15 launched from the Jiuquan Satellite Launch Center in the Gobi Desert at 10:08 a.m. Eastern Nov. 29. Rendezvous and docking with the T...   More
(Source: SpaceNews - Nov 30)


SOYUZ-2.1B LAUNCHES FINAL GLONASS-M SATELLITE FROM PLESETSK SOYUZ-2.1B LAUNCHES FINAL GLONASS-M SATELLITE FROM PLESETSK - At 15:17 UTC on Nov. 28, a Soyuz-2.1b launched from Site 43/3 at the Plesetsk Cosmodrome, carrying the final GLONASS-M satellite to orbit, designated Kosmos-2564. This is the first of two planned launches from the Plesetsk Cosmodrome in just three days, with a classified payload scheduled to laun...   More
(Source: NASASpaceFlight.com - Nov 30)


NEW ERA BEGINS WITH CHINA’S LAUNCH OF CREWED MISSION TO ITS SPACE STATION NEW ERA BEGINS WITH CHINA’S LAUNCH OF CREWED MISSION TO ITS SPACE STATION - Three astronauts lifted off to China’s nearly completed space station on Tuesday, marking the beginning of the country’s long-term presence in space. It’s a major achievement for China’s ambitious space program, which has explored the far side of the moon and Mars. The milestone also mean...   More
(Source: CNN - Nov 30)


SPACEX SUPPLY SHIP DOCKS AT SPACE STATION SPACEX SUPPLY SHIP DOCKS AT SPACE STATION - A day after launching from Kennedy Space Center, SpaceX’s Dragon cargo capsule approached the International Space Station for an automated docking Sunday with more than 7,700 pounds of supplies and experiments. The Dragon supply ship autonomously linked up with the zenith, or space-facing, dock...   More
(Source: SpaceFlight Now - Nov 29)


INDIA LAUNCHES SATELLITE FOR OCEAN MONITORING INDIA LAUNCHES SATELLITE FOR OCEAN MONITORING - India launched a satellite Saturday to measure ocean winds and water temperatures, adding a key data source for weather forecasters tracking tropical cyclone development around the world. The new ocean monitoring spacecraft, named EOS-06 or Oceansat 3, took off Saturday at 1:26 a.m. EST (0626 GMT...   More
(Source: SpaceFlight Now - Nov 29)


SPACEX LAUNCHES NEW CARGO DRAGON SPACECRAFT TO SPACE STATION SPACEX LAUNCHES NEW CARGO DRAGON SPACECRAFT TO SPACE STATION - A brand new SpaceX Falcon 9 successfully launched a new cargo Dragon spacecraft Nov. 26, carrying supplies, experiments and new solar arrays for the International Space Station. The Falcon 9 lifted off from the Kennedy Space Center’s Launch Complex 39A at 2:20 p.m. Eastern. The rocket’s upper...   More
(Source: SpaceNews - Nov 29)


CHINA PREPARES TO SEND NEW 3-PERSON CREW TO SPACE STATION CHINA PREPARES TO SEND NEW 3-PERSON CREW TO SPACE STATION - Final preparations were being made Monday to send a new three-person crew to China's space station as it nears completion amid intensifying competition with the United States. The China Manned Space Agency said the Shenzhou-15 mission will take off from the Jiuquan Satellite Launch Center on the ...   More
(Source: voanews.com - Nov 29)


SATELLITE CONSTELLATIONS COULD HARM THE ENVIRONMENT, NEW WATCHDOG REPORT SAYS SATELLITE CONSTELLATIONS COULD HARM THE ENVIRONMENT, NEW WATCHDOG REPORT SAYS - Do people have a right to an unobstructed view of the heavens? For most of human history, such a question would have been considered nonsensical—but with the recent rise of satellite mega constellations, it’s now being asked again and again. Mega constellations are vast groups of spacecraft, num...   More
(Source: Scientific American - Nov 25)


THANKSGIVING SPACE FESTIVITIES COME FROM 'THE FUTURE,' ASTRONAUTS SAY THANKSGIVING SPACE FESTIVITIES COME FROM 'THE FUTURE,' ASTRONAUTS SAY - The NASA astronauts currently in space are living so far in the future that they celebrated U.S. Thanksgiving on Tuesday (Nov. 22), they joked in a video. Jokes aside, the space crew on the U.S. side of the International Space Station does plan to take some time on the holiday to watch some footb...   More
(Source: Space.com - Nov 25)


CREW GOES INTO THANKSGIVING WITH SPACEWALK AND DRAGON PREPS CREW GOES INTO THANKSGIVING WITH SPACEWALK AND DRAGON PREPS - Four Expedition 68 astronauts will relax on Thanksgiving day as three cosmonauts continue preparing for a spacewalk on Friday. The International Space Station residents are also expecting a space delivery this weekend bringing new roll-out solar arrays and science experiments. Three NASA astronau...   More
(Source: NASA - Nov 24)


CHINA TO USE SPACE STATION TO TEST SPACE-BASED SOLAR POWER CHINA TO USE SPACE STATION TO TEST SPACE-BASED SOLAR POWER - China intends to use its newly-completed Tiangong space station to test key technologies required for space-based polar power, according to a senior space official. Robotic arms already operating on the outside of Tiangong will be used to test on-orbit assembly of modules for a space-based solar ...   More
(Source: SpaceNews - Nov 24)


JPSS-2 HAS A NEW NAME: NOAA-21 JPSS-2 HAS A NEW NAME: NOAA-21 - NOAA’s JPSS-2 satellite successfully launched from Vandenberg Space Force Base on Nov. 10 at 1:49 a.m. PST. This week, it was officially renamed NOAA-21. The Joint Polar Satellite System (JPSS) series of satellites provides the latest advancement in observations gathered from a polar orbit. In ...   More
(Source: NOAA - Nov 23)


CHINA ROLLS OUT ROCKET TO LAUNCH NEW CREW TO NEWLY-COMPLETED SPACE STATION CHINA ROLLS OUT ROCKET TO LAUNCH NEW CREW TO NEWLY-COMPLETED SPACE STATION - China is gearing up to send a new crew up to the newly-completed space station.  A Long March 2F rocket tipped with the Shenzhou 15 crew spacecraft was rolled out to the pad at Jiuquan Satellite Launch Center in the Gobi Desert on Monday (Nov. 21), China's human spaceflight agency, CMSA, announc...   More
(Source: Space.com - Nov 23)


SPACEX SCRUBS RESUPPLY LAUNCH TO THE SPACE STATION SPACEX SCRUBS RESUPPLY LAUNCH TO THE SPACE STATION - SpaceX called off a launch attempt Tuesday due to bad weather at Kennedy Space Center, delaying until Saturday the start of a resupply mission to the International Space Station. The 26th SpaceX cargo mission to the space station, called CRS-26, will deliver about 7,700 pounds (3.5 metric tons) o...   More
(Source: SpaceFlight Now - Nov 23)

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