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Series 3 satellites are Sun-synchronous and series 2 and 4 satellites are geosynchronous. Formosat-5: Active Taiwan’s National Space Organization (NSPO) 2017 Gaofen-2: Active CNSA: 2014 Gaofen-3: Active CNSA: 2016 GOES-16 and 17: Active NASA 2016 Geostationary Operational Environmental Satellite. Collects weather observations. See also: List ...
The Baker-Nunn system, like Minitrack, provided little real-time data and was additionally limited to night-time, clear weather operations. [4] Beyond the problems in acquiring data on satellites, it became obvious that the US tracking network would soon be overwhelmed by the tremendous number of satellites that followed Sputnik and Vanguard.
This is a list of satellites in geosynchronous orbit (GSO). These satellites are commonly used for communication purposes, such as radio and television networks, back-haul, and direct broadcast. Traditional global navigation systems do not use geosynchronous satellites, but some SBAS navigation satellites do.
In 2008, more than 150 Earth observation satellites were in orbit, recording data with both passive and active sensors and acquiring more than 10 terabits of data daily. [1] By 2021, that total had grown to over 950, with the largest number of satellites operated by US-based company Planet Labs. [4]
These designations have been applied to most United States military satellites since 1984, and replaced the earlier OPS designation. As of June 2022, USA designations have been assigned to 437 space satellites. There is not always a one-to-one mapping between launch vehicles and mission spacecraft.
The satellites were intended to test Distant retrograde orbit. [33] Tracking data appears to show China is attempting to salvage spacecraft and they appear to have succeeded in reaching their desired orbit. [34] [35] China: Queqiao-2: Moon: Success
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 December 2024. Objects intentionally placed into orbit This article is about human-made satellites. For moons, see Natural satellite. For other uses, see Satellite (disambiguation). Two CubeSats orbiting around Earth after being deployed from the ISS KibÅ module's Small Satellite Orbital Deployer A ...
RASR-5. Four satellites. First NRO launch on an Electron from Wallops, VA. L-126: USA 438, USA 339 30 November 2024 8:10 [131] VSFB, SLC-4E: Falcon 9 Block 5: LEO: Entered service, presumed active NRO's Proliferated Architecture Mission of 2 Starshield satellites with 20 Starlink Group N-01 satellites.. [132] L-129 [133] [134] USA-305 USA-306 ...