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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 16 NEW SATELLITES CHINA LAUNCHES 16 NEW SATELLITES - China on Wednesday sent 16 new satellites into space from the Taiyuan Satellite Launch Center in the northern province of Shanxi. The satellites, including a Jilin-1 Gaofen 03D09 satellite and Yunyao-1 04-08 satellites, were launched by a Long March-6 carrier rocket at 12:50 p.m. Beijing Time and...   More
(Source: Xinhua - Aug 11)


BIG NEW CHINESE ROCKET LOFTS 6 EXPERIMENTAL SATELLITES ON DEBUT LAUNCH BIG NEW CHINESE ROCKET LOFTS 6 EXPERIMENTAL SATELLITES ON DEBUT LAUNCH - China now has a new launch service provider and a big, new flight-proven rocket. The four-stage Lijian 1 rocket, also referred to as ZK-1A, lifted from the Jiuquan Satellite Launch Center at 12:12 a.m. EDT (0412 GMT; 12:12 p.m. local time) on July 27, carrying six satellites into orbit on its de...   More
(Source: Space.com - Aug 11)


FALCON 9 ROCKET DEPLOYS SPACEX’S 3,000TH STARLINK INTERNET SATELLITE FALCON 9 ROCKET DEPLOYS SPACEX’S 3,000TH STARLINK INTERNET SATELLITE - Fifty-two satellites are on the way to join SpaceX’s Starlink internet network after a sky-lighting blastoff from the Kennedy Space Center Tuesday night, a mission that included the 3,000th spacecraft to launch for the Starlink constellation. The 229-foot-tall (70-meter) Falcon 9 rocket lifted ...   More
(Source: SpaceFlight Now - Aug 11)


NASA CUBESAT BUMPED FROM RIDESHARE LAUNCH BECAUSE OF ORBITAL DEBRIS MITIGATION CONCERNS NASA CUBESAT BUMPED FROM RIDESHARE LAUNCH BECAUSE OF ORBITAL DEBRIS MITIGATION CONCERNS - A NASA cubesat was removed from a recent rideshare launch opportunity on a U.S. Space Force mission because the spacecraft could not meet guidelines for deorbiting at the end of its life. The GTOSat mission, developed by NASA’s Goddard Space Flight Center, was manifested to fly as a secondary p...   More
(Source: SpaceNews - Aug 11)


US OFFICIALS CONCERNED AS RUSSIA LAUNCHES IRANIAN SATELLITE US OFFICIALS CONCERNED AS RUSSIA LAUNCHES IRANIAN SATELLITE - Russia has successfully launched an Iranian satellite into orbit amid US concerns over its planned purpose. The satellite, called Khayyam, was launched from the Russian-leased Baikonur launch facility in Kazakhstan. Iran has said it will be used for environmental monitoring and will remain und...   More
(Source: BBC News - Aug 10)


RUSSIA SUCCESSFULLY LAUNCHES IRANIAN SATELLITE RUSSIA SUCCESSFULLY LAUNCHES IRANIAN SATELLITE - A Russian rocket on Tuesday successfully launched an Iranian satellite into orbit. The Soyuz rocket lifted off as scheduled at 8:52 a.m. Moscow time (0552 GMT) Tuesday from the Russia-leased Baikonur launch facility in Kazakhstan. About nine minutes after the launch, it placed the Iranian sate...   More
(Source: AP News - Aug 10)


BENCHMARK UNVEILS SMALL SATELLITE COLLISION-AVOIDANCE KIT BENCHMARK UNVEILS SMALL SATELLITE COLLISION-AVOIDANCE KIT - At the Small Satellite Conference, Benchmark Space Systems unveiled a collision-avoidance kit designed to help small satellites dodge debris and steer clear of other spacecraft. Benchmark is taking orders its “Cola Kit,” which the company plans to begin shipping to customers in early 2023. ...   More
(Source: SpaceNews - Aug 9)


INDIA’S NEW SMALL SATELLITE LAUNCHER FAILS TO PUT SATELLITES INTO CORRECT ORBIT INDIA’S NEW SMALL SATELLITE LAUNCHER FAILS TO PUT SATELLITES INTO CORRECT ORBIT - India’s space agency said Sunday the inaugural demonstration flight of the country’s new Small Satellite Launch Vehicle — the fourth rocket in India’s fleet of launchers — failed to place two satellites into their targeted low Earth orbit. The 111-foot-tall (34-meter), three-stage launc...   More
(Source: SpaceFlight Now - Aug 8)


ISRO TO LAUNCH INDIA'S NEWEST ROCKET SSLV TOMORROW ISRO TO LAUNCH INDIA'S NEWEST ROCKET SSLV TOMORROW - The Indian Space Research Organisation (Isro) will launch India's newest rocket Small Satellite Launch Vehicle - Developmental Flight 1 (SSLV-D1) on Sunday. The countdown down for the SSLV-D1 launch will start about six-and-half-hours before the lift off which is scheduled at 9.18 a.m. on Sunday. ...   More
(Source: The Economic Times - Aug 7)


ITALIAN SATELLITE MAY FLY NASA EARTH SCIENCE PAYLOAD ITALIAN SATELLITE MAY FLY NASA EARTH SCIENCE PAYLOAD - NASA is in talks with the Italian Space Agency to fly an Earth science instrument originally planned to go on a commercial smallsat. At a meeting of the Earth Science Advisory Committee Aug. 2, Greg Stover, program manager for NASA’s Earth System Pathfinder Program, said NASA was in talks with ...   More
(Source: SpaceNews - Aug 7)


LOCKHEED MARTIN TO LAUNCH 3 SATELLITES IN 2023 TO ADVANCE JOINT ALL-DOMAIN OPERATIONS LOCKHEED MARTIN TO LAUNCH 3 SATELLITES IN 2023 TO ADVANCE JOINT ALL-DOMAIN OPERATIONS - Lockheed Martin said that it plans to launch three company developed satellites next year to help demonstrate Joint All-Domain Operations (JADO). The effort is part of the company’s Space-Augmented JADO Environment (SAJE) test bed. “In 2023, Lockheed Martin will launch its own constellatio...   More
(Source: Via Satellite - Aug 7)


NASA HALTS ALL SPACEWALKS AT ISS OVER SPACESUITS SAFETY ISSUE NASA HALTS ALL SPACEWALKS AT ISS OVER SPACESUITS SAFETY ISSUE - NASA has halted all of its spacewalks at the International Space Station (ISS) due to safety concerns of spacesuits after water leaked into one astronaut's helmet while working outside the station, CNN reported on Saturday. Dina Contella, NASA's space station operations integration manager, said ...   More
(Source: CGTN - Aug 7)


CHINESE SPACE FIRM RAISES FUNDS FOR COMMERCIAL WEATHER DATA SATELLITE CONSTELLATION CHINESE SPACE FIRM RAISES FUNDS FOR COMMERCIAL WEATHER DATA SATELLITE CONSTELLATION - A Chinese private company wants to build a constellation of 80 satellites to provide weather data, further illustrating the growth and scope of China’s commercial space sector. Tianjin-based Yunyao Yuhang recently secured nearly $14.8 million in “Pre-A+” funding, the company announced Aug. ...   More
(Source: SpaceNews - Aug 6)


AGING TELESAT SATELLITE RUNNING OUT OF FUEL AS PROJECTED LEO COSTS SOAR AGING TELESAT SATELLITE RUNNING OUT OF FUEL AS PROJECTED LEO COSTS SOAR - Canada’s Telesat is bracing for a revenue hit in 2023 after being forced to retire its Anik F2 satellite from full service three years earlier than planned. The aging Boeing-built satellite has been operating under a workaround mode for the past year after two of its four station-keeping thrust...   More
(Source: SpaceNews - Aug 6)


CHINA LAUNCHES CARBON AND ECOSYSTEM MONITORING SATELLITE CHINA LAUNCHES CARBON AND ECOSYSTEM MONITORING SATELLITE - China launched a carbon and ecosystem monitoring satellite and two smaller payloads with the country's 28th launch of 2022 late on Wednesday (Aug. 3). Liftoff of the Long March 4B rocket carrying the three satellites occurred at 11:08 p.m. EDT on Wednesday (0308 GMT or 11:08 a.m. Beijing time on ...   More
(Source: Space.com - Aug 6)


RUSSIA'S WITHDRAWAL FROM ISS ANOTHER SIGN OF ITS SPACE DECLINE RUSSIA'S WITHDRAWAL FROM ISS ANOTHER SIGN OF ITS SPACE DECLINE - Russia announced this week that it will pull out of the International Space Station program after 2024. There certainly are important near-term challenges related to Russia's withdrawal from the ISS partnership that will need to be addressed, but the bigger issue may be the continuing decline of ...   More
(Source: UPI - Aug 5)


ROCKET LAB LAUNCHES US SPY SATELLITE ON MYSTERY MISSION ROCKET LAB LAUNCHES US SPY SATELLITE ON MYSTERY MISSION - Another U.S. spy satellite has taken flight on a mystery mission. The U.S. National Reconnaissance Office's (NRO) NROL-199 spacecraft launched today (Aug. 4) atop a Rocket Lab Electron booster from New Zealand, rising off the pad at 1 a.m. EDT (0500 GMT; 5 p.m. local time in New Zealand). If ...   More
(Source: Space.com - Aug 5)


ATLAS V ROCKET LAUNCHES MISSILE-DETECTING SATELLITE FOR U.S. SPACE FORCE ATLAS V ROCKET LAUNCHES MISSILE-DETECTING SATELLITE FOR U.S. SPACE FORCE - The United States' missile-tracking capabilities are about to get a boost. United Launch Alliance (ULA) launched the sixth Space Based Infrared System Geosynchronous Earth Orbit (SBIRS GEO-6) satellite this morning (Aug. 4), completing the SBIRS GEO constellation for the U.S. Space Force's Space ...   More
(Source: Space.com - Aug 5)


MOMENTUS DEPLOYS ADDITIONAL SATELLITES FROM VIGORIDE TUG MOMENTUS DEPLOYS ADDITIONAL SATELLITES FROM VIGORIDE TUG - Momentus has deployed additional satellites from its first space tug that encountered technical problems shortly after its launch in May and is moving forward with a second launch later this year. The company said Aug. 2 that it deployed four satellites from the Vigoride-3 tug in July, in additio...   More
(Source: SpaceNews - Aug 4)


MISSION ENDS FOR COPERNICUS SENTINEL-1B SATELLITE MISSION ENDS FOR COPERNICUS SENTINEL-1B SATELLITE - On 23 December 2021, Copernicus Sentinel-1B experienced an anomaly related to the instrument electronics power supply provided by the satellite platform, leaving it unable to deliver radar data. Since then spacecraft operators and engineers have been working tirelessly to rectify the issue. Unfortun...   More
(Source: European Space Agency - Aug 4)

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