The Total and Spectral Solar Irradiance Sensor 2 (TSIS-2) is a satellite designed by NASA to measure the Sun's energy input to Earth. TSIS-2 comprises two instruments, the Total Irradiance Monitor (TIM), and the spectral Irradiance Monitor (SIM). TIM measures total brightness and SIM measures spectral irradiance over a wavelength range that includes 96% of the energy in the solar spectrum. Both instruments are similar to those used for the TSIS-1 mission onboard the International Space Station.
Sun-Synchronous Orbit3.7-ton South Korean geostationary communications satellite also known as Chollian-3. Designed to replace GEO-Kompsat-1 launched in 2010, it features advanced payloads for communications, disaster prevention, maritime safety and the safe flight of aircraft
Geostationary Transfer OrbitChandrayaan-4 is a planned lunar sample-return mission of Indian Space Research Organisation (ISRO) and will be the fourth mission of its Chandrayaan programme. The mission consist of five modules, namely the DM (Descender Module), AM (Ascender Module), TM (Transfer Module), RM (Re-entry Module) and PM (Propulsion Module). The planned mission life is 1 lunar day and the landing site will be near the Lunar South Pole. The second launch will lift the TM (Transfer Module), RM (Re-entry Module) and PM (Propulsion Module) to orbit.
Lunar OrbitThe JPSS constellation of satellites collects global multi-spectral radiometry and other specialized meteorologic, oceanographic, and solar-geophysical data via remote sensing of land, sea, and atmospheric properties. These data support NOAA’s mission for continuous observation of Earth’s environment to understand and predict changes in weather, climate, oceans, and coasts to support the nation’s economy and protect lives and property. NASA uses the instruments aboard the JPSS satellites to continue decades of Earth science research for the betterment of humanity. JPSS-4 carries the NASA Earth Venture mission Libera, an instrument to improve our understanding of trends in Earth’s energy imbalance and our changing climate.
Sun-Synchronous OrbitCSG-3 is an Earth observation satellite for the Italian Space Agency, part of a reconnaissance constellation using synthetic aperture radars operatin…
2 satellites officially described as for "demonstration of new technologies for spatial targets detection" purposes.
A satellite officially described as for cartography purposes, details TBD.
A pair of Russian optical Earth observation satellites built by the Progress Rocket Space Centre for obtaining stereo images of the Earth's surface, …
China's geostationary meteorological satellite program FY-4 (Feng Yun 4) is the second generation of chinese geostationary meteorological satellites.
A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…
Note: Assignment of payloads to this launch is uncertain. The Russian Obzor-R satellite is a planned X-band radar earth observation satellite desi…
AST SpaceMobile’s Block 2 BlueBird satellites are designed to deliver up to 10 times the bandwidth capacity of the BlueBird Block 1 satellites, requi…
First test launch of CASC/SAST’s Long March 12A rocket, with a dummy payload. The rocket’s 1st stage attempted to land on a landing pad about 300 km …
Maiden orbital launch attempt for the South Korean start-up Innospace and its HANBIT-Nano small launch vehicle. Onboard this flight are five small sa…