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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

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)


RUSSIA'S SPACE AGENCY TO LAUNCH IRANIAN SATELLITE INTO ORBIT RUSSIA'S SPACE AGENCY TO LAUNCH IRANIAN SATELLITE INTO ORBIT - Russia will launch an Iranian satellite into space on Tuesday, the Russian space agency Roscosmos announced on Wednesday. The satellite, named Khayyam, was developed and manufactured at enterprises that are part of Roscosmos, according to the agency. The remote-sensing satellite will provide "...   More
(Source: The Jerusalem Post - Aug 4)


DID RUSSIA JUST LAUNCH A SPACECRAFT TO STALK A US SPY SATELLITE? DID RUSSIA JUST LAUNCH A SPACECRAFT TO STALK A US SPY SATELLITE? - A newly launched Russian spy satellite may be tasked with stalking one of its American counterparts. The Russian satellite, known as Kosmos 2558 (opens in new tab), was rumored to be an "inspector" craft even before it lifted off on Monday (Aug. 1), Netherlands-based satellite tracker Marco Langb...   More
(Source: Space.com - Aug 4)


REPORT: U.S. SHOULD PUSH FOR GLOBAL RULES ON SPACE TRAFFIC MANAGEMENT REPORT: U.S. SHOULD PUSH FOR GLOBAL RULES ON SPACE TRAFFIC MANAGEMENT - Commercial and government activities in outer space are increasingly endangered by rapidly growing congestion in the space environment. And it’s unclear how much longer industries and governments can continue to operate safely in space without globally coordinated space traffic management, says a ...   More
(Source: SpaceNews - Aug 3)


ULA’S ATLAS 5 ROCKET MOVED TO LAUNCH PAD WITH U.S. MILITARY MISSILE WARNING SATELLITE ULA’S ATLAS 5 ROCKET MOVED TO LAUNCH PAD WITH U.S. MILITARY MISSILE WARNING SATELLITE - United Launch Alliance’s next Atlas 5 rocket rolled out to its launch pad Tuesday at Cape Canaveral for a fiery blastoff at dawn Thursday with a U.S. military missile warning satellite. The 194-foot-tall (59-meter) Atlas 5 rocket completed the 1,800-foot (550-meter) rollout in a little more tha...   More
(Source: SpaceFlight Now - Aug 3)


NEW RUSSIAN SPACE CHIEF CLARIFIES COMMENTS ABOUT INTERNATIONAL SPACE STATION DEPARTURE NEW RUSSIAN SPACE CHIEF CLARIFIES COMMENTS ABOUT INTERNATIONAL SPACE STATION DEPARTURE - Yuri Borisov, the new head of the Russian space agency Roscosmos, expanded on comments he made last week indicating the country's intent to disassociate from the International Space Station "after 2024." It appears some of that message may have been lost in translation. In an interview with Russ...   More
(Source: Space.com - Aug 3)


ROCKET LAB’S ELECTRON SCRUBS NROL-199 MISSION ROCKET LAB’S ELECTRON SCRUBS NROL-199 MISSION - Rocket Lab scrubbed the launch the 29th Electron mission on August 2 due to unacceptable ground winds. NROL-199 will launch later this week from Launch Complex-1B (LC-1B) at Rocket Lab’s launch facility on the Māhia Peninsula in New Zealand. In addition to the NROL-199 designation, the mission...   More
(Source: NASASpaceFlight.com - Aug 2)


NASA INVITES MEDIA TO NEXT SPACEX COMMERCIAL CREW SPACE STATION LAUNCH NASA INVITES MEDIA TO NEXT SPACEX COMMERCIAL CREW SPACE STATION LAUNCH - Media accreditation is now open for the launch of the fifth SpaceX Dragon spacecraft and Falcon 9 rocket that will carry astronauts to the International Space Station for a science expedition mission as part of NASA’s Commercial Crew Program. The earliest targeted launch date for the mission is...   More
(Source: NASA - Aug 2)

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