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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

CHINA LAUNCHES NEW TEST SATELLITE CHINA LAUNCHES NEW TEST SATELLITE - China successfully sent a new test satellite into space from the Jiuquan Satellite Launch Center in northwest China on Wednesday, Trend reports citing Xinhua. The VHF Data Exchange System (VDES) test satellite was launched by a Kuaizhou-11 Y2 carrier rocket at 9:15 a.m. (Beijing Time) and entered...   More
(Source: AzerNews - Dec 9)


SPACEX DELIVERS FOR RIVAL ONEWEB WITH SUNSET LAUNCH FROM KENNEDY SPACE CENTER SPACEX DELIVERS FOR RIVAL ONEWEB WITH SUNSET LAUNCH FROM KENNEDY SPACE CENTER - Forty more OneWeb internet satellites rocketed into orbit from Kennedy Space Center at sunset Thursday, company’s first launch with SpaceX after suspending flights on Russian rockets earlier this year. Following a spectacular sunset blastoff at 5:27 p.m. EST (2227 GMT) Thursday, the Falcon 9’...   More
(Source: SpaceFlight Now - Dec 9)


NASA LOSES CONTACT WITH ICON ATMOSPHERE-STUDYING SATELLITE IN EARTH ORBIT NASA LOSES CONTACT WITH ICON ATMOSPHERE-STUDYING SATELLITE IN EARTH ORBIT - NASA recently lost contact with an atmosphere-studying satellite working beyond its design lifetime. NASA's Ionospheric Connection Explorer (ICON) fell out of contact on Nov. 25, and the mission team has not been able to hail the spacecraft in the weeks since, agency officials wrote in a brief st...   More
(Source: Space.com - Dec 8)


CUBESATS LAUNCHED BY ISS ABOVE NAMIBIA FROM UGANDA, ZIMBABWE, AND JAPAN CUBESATS LAUNCHED BY ISS ABOVE NAMIBIA FROM UGANDA, ZIMBABWE, AND JAPAN - A set of four CubeSats are photographed after being released from a small satellite deployer on the outside of the Kibo laboratory module as the International Space Station orbited 264 miles above Namibia on the African continent....   More
(Source: SpaseRef - Dec 8)


CHINA IS CONSIDERING EXPANDING ITS TIANGONG SPACE STATION CHINA IS CONSIDERING EXPANDING ITS TIANGONG SPACE STATION - China is already considering adding modules to its recently-completed Tiangong space station complex, according to a senior space official. China recently completed construction of its three-module, T-shaped Tiangong space station and conducted its first crew handover, seeing the Shenzhou-14 miss...   More
(Source: SpaceNews - Dec 8)


LET’S KEEP AN OPEN DIALOGUE ON HOW TO PROTECT SATELLITES ON ORBIT LET’S KEEP AN OPEN DIALOGUE ON HOW TO PROTECT SATELLITES ON ORBIT - The United Nations Office for Outer Space Affairs estimated there are at least 8,261 satellites orbiting the Earth. These assets, worth upward of two trillion dollars, enable our national security, economy and civil society. As the National Space Council recognized, space is a “source of Americ...   More
(Source: SpaceNews - Dec 7)


GROWTH OF SSA SYSTEMS COULD CREATE PROBLEMS FOR SATELLITE OPERATORS GROWTH OF SSA SYSTEMS COULD CREATE PROBLEMS FOR SATELLITE OPERATORS - The growth of space situational awareness (SSA) capabilities worldwide, intended to better track satellites and debris in orbit, could instead create confusion for satellite operators, one official warned. Speaking at the annual conference of the Global Network on Sustainability in Space (GNOSIS)...   More
(Source: SpaceNews - Dec 6)


SPACEX UNVEILS ‘STARSHIELD,’ A MILITARY VARIATION OF STARLINK SATELLITES SPACEX UNVEILS ‘STARSHIELD,’ A MILITARY VARIATION OF STARLINK SATELLITES - Elon Musk’s SpaceX is expanding its Starlink satellite technology into military applications with a new business line called Starshield. Starshield is likely to further tap the company’s biggest U.S. government customer – the Pentagon – which already represents a high-value buyer of Space...   More
(Source: CNBC - Dec 6)


ASTROCAST EXPANDS COMMERCIAL CONSTELLATION TO 14 SATELLITES ASTROCAST EXPANDS COMMERCIAL CONSTELLATION TO 14 SATELLITES - Nanosatellite IoT network operator, Astrocast launched four new 3U Spacecraft to expand its commercial constellation to 14 satellites. This is a significant milestone for the Swiss startup, as this launch made it "one of the top 40 satellite operators in the world, based on the number of satellites ...   More
(Source: TelecomTalk - Dec 5)


CHINA'S SHENZHOU 14 ASTRONAUTS RETURN TO EARTH AFTER HELPING BUILD TIANGONG SPACE STATION CHINA'S SHENZHOU 14 ASTRONAUTS RETURN TO EARTH AFTER HELPING BUILD TIANGONG SPACE STATION - China's Shenzhou 14 astronauts have handed over control of the Tiangong space station and returned to Earth. The return capsule from the mission's Shenzhou spacecraft set down safely after sunset within the Dongfeng landing area in the Gobi Desert in the Inner Mongolia Autonomous Region on Sunday...   More
(Source: Space.com - Dec 5)


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)

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