Mission | Agency | Status | Launch date | EOL date | Applications | Instruments | Orbit details & URL |
Aeolus Atmospheric Dynamics Mission (Earth Explorer Core Mission)
| ESA | Operational (nominal) | 22 Aug 2018 | Dec 2023 | Will provide wind profile measurements for global 3D wind field products used for study of atmospheric dynamics, including global transport of energy, water, aerosols, and chemicals. | ALADIN | Type: Sun-synchronous Altitude: 320 km Period: 92.5 mins Inclination: 97.01 deg Repeat cycle: 7 days LST: 18:00 Longitude (if geo): Asc/desc: Ascending Links: mission site |
Aeolus-2 Aeolus-2
| ESA / EUMETSAT | Planned | 2029 | 2034 | | ALADIN-2 | Type: TBD Altitude: Period: Inclination: Repeat cycle: LST: Longitude (if geo): Asc/desc: TBD Links: |
AISSat-2 Automatic Identification System Satellite-2
| NOSA | Operational (extended) | 08 Jul 2014 | Dec 2023 | Extend access to AIS (Automatic Identification System) signals beyond the land-based AIS system operated by the Norwegian Coastal Administration today. Observe ship traffic in the High North. | AIS | Type: Sun-synchronous Altitude: 628 km Period: 97 mins Inclination: 98.4 deg Repeat cycle: LST: 05:30:00 Longitude (if geo): Asc/desc: Descending Links: |
Aist-2T N1 Environmental Satellite Aist-2T N1
| ROSKOSMOS | Planned | 2023 | 2028 | Earth resources, environmental and disaster monitoring, cartography. | | Type: Sun-synchronous Altitude: Period: Inclination: Repeat cycle: LST: Longitude (if geo): Asc/desc: TBD Links: |
Aist-2T N2 Environmental Satellite Aist-2T N2
| ROSKOSMOS | Planned | 2023 | 2028 | Earth resources, environmental and disaster monitoring, cartography. | | Type: Sun-synchronous Altitude: Period: Inclination: Repeat cycle: LST: Longitude (if geo): Asc/desc: TBD Links: |
ALOS-2 Advanced Land Observing Satellite-2
| JAXA | Operational (extended) | 24 May 2014 | Dec 2023 | Environmental monitoring, disaster monitoring, civil planning, agriculture and forestry, Earth resources, land surface and ocean monitoring. | CIRC, PALSAR-2 | Type: Sun-synchronous Altitude: 628 km Period: 97 mins Inclination: 97.9 deg Repeat cycle: 14 days LST: 12:00 Longitude (if geo): Asc/desc: Descending Links: mission site |
ALOS-4 Advanced Land Observing Satellite-4
| JAXA | Approved | Mar 2024 | Mar 2030 | Environmental monitoring, disaster monitoring, civil planning, agriculture and forestry, Earth resources, land surface. | PALSAR-3 | Type: Sun-synchronous Altitude: 628 km Period: 97 mins Inclination: 97.9 deg Repeat cycle: 14 days LST: 12:00 Longitude (if geo): Asc/desc: Descending Links: mission site |
ALTIUS Atmospheric Limb Tracker for Investigation of the Upcoming Stratosphere (ALTIUS)
| ESA | Approved | May 2025 | May 2028 | Altius carries a high-resolution 2D imager that observes ozone from the side, at Earth's limb or atmospheric boundary. | ALTIUS Instrument | Type: Sun-synchronous Altitude: 668 km Period: Inclination: Repeat cycle: 3 days LST: Fixed between 10:00 – 14:00 Longitude (if geo): Asc/desc: Links: |
AMAZONIA-1 Amazonia 1
| INPE | Operational (nominal) | 28 Feb 2021 | Feb 2025 | Earth resources, environmental monitoring, land surface. | WFI (Amazonia-1) | Type: Sun-synchronous Altitude: 752 km Period: 99.9 mins Inclination: 98.4 deg Repeat cycle: 26 days LST: 10:30 Longitude (if geo): Asc/desc: Descending Links: mission site | data access |
Aqua Aqua (formerly EOS PM-1)
| NASA / JAXA / INPE | Operational (extended) | 04 May 2002 | Sep 2023 | 6-year nominal mission life, currently in extended operations. Atmospheric dynamics / water and energy cycles, cloud formation, precipitation and radiative properties, air / sea fluxes of energy and moisture, sea ice extent and heat exchange with the atmosphere. The HSB instrument failed on the 5th of February 2003. | AIRS, AMSR-E, AMSU-A, CERES, HSB, MODIS | Type: Sun-synchronous Altitude: 705 km Period: 98.8 mins Inclination: 98.2 deg Repeat cycle: 16 days LST: 13:30 Longitude (if geo): Asc/desc: Ascending Links: mission site | data access |
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