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''NASA and its international partners, within its larger mission of earth science research from space, operate Earth-observing satellites that closely follow one after another along the same orbital “track.” This coordinated group of satellites, constituting a significant subset of NASA’s current operating major satellite missions, is called the Afternoon Constellation, or the A-Train, for short. The satellites are in a polar orbit, crossing the equator northbound at about 1:30 p.m. local time, within seconds to minutes of each other. This allows near-simultaneous observations of a wide variety of parameters to aid the scientific community in advancing our knowledge of Earth-system science and applying this knowledge for the benefit of society. Five satellites currently fly in the A-Train: GCOM-W1, Aqua, CALIPSO, CloudSat, and Aura. On November 16, 2011, PARASOL was lowered to 9.5 km under the A-Train and on December 18, 2013 PARASOL ceased operation, fully exiting the A-Train.  
''NASA and its international partners, within the larger mission of earth science research from space, operate Earth-observing satellites that closely follow one after another along the same orbital “track.” This coordinated group of satellites, constituting a significant subset of NASA’s current operating major satellite missions, is called the Afternoon Constellation, or the A-Train, for short. The satellites are in a polar orbit, crossing the equator northbound at about 1:30 p.m. local time, within seconds to minutes of each other. This allows near-simultaneous observations of a wide variety of parameters to aid the scientific community in advancing our knowledge of Earth-system science and applying this knowledge for the benefit of society. Five satellites currently fly in the A-Train: GCOM-W1, Aqua, CALIPSO, CloudSat, and Aura. On November 16, 2011, PARASOL was lowered to 9.5 km under the A-Train and on December 18, 2013 PARASOL ceased operation, fully exiting the A-Train.  


''OCO-2 joined the configuration in July 2014.''
''OCO-2 joined the configuration in July 2014.''

Latest revision as of 18:22, 2 January 2024


OCO-2 "game changing" earth science

The A-Train convoy of orbiting earth observing satellites ...

http://www.greenpolicy360.net/w/OCO-2

https://www.nasa.gov/mission_pages/a-train/a-train.html


NASA and its international partners, within the larger mission of earth science research from space, operate Earth-observing satellites that closely follow one after another along the same orbital “track.” This coordinated group of satellites, constituting a significant subset of NASA’s current operating major satellite missions, is called the Afternoon Constellation, or the A-Train, for short. The satellites are in a polar orbit, crossing the equator northbound at about 1:30 p.m. local time, within seconds to minutes of each other. This allows near-simultaneous observations of a wide variety of parameters to aid the scientific community in advancing our knowledge of Earth-system science and applying this knowledge for the benefit of society. Five satellites currently fly in the A-Train: GCOM-W1, Aqua, CALIPSO, CloudSat, and Aura. On November 16, 2011, PARASOL was lowered to 9.5 km under the A-Train and on December 18, 2013 PARASOL ceased operation, fully exiting the A-Train.

OCO-2 joined the configuration in July 2014.

https://en.wikipedia.org/wiki/Orbiting_Carbon_Observatory_2


Read More:

Consider the Existing Earth Science Missions

NASA's Earth Science/observation/monitoring are vital resources our generation is passing forward to future generations...
The critical goal is to provide the capabilities to make informed decisions and shape intelligent policies to protect and preserve security


https://www.greenpolicy360.net/w/Earth_Right_Now
https://www.greenpolicy360.net/w/Category:Environmental_Security
https://www.greenpolicy360.net/w/Category:Environmental_Security,_National_Security


https://www.greenpolicy360.net/w/New_Definitions_of_National_Security
https://www.greenpolicy360.net/w/Earth_and_Space,_Politics
https://www.greenpolicy360.net/w/Earth_Science_Research_from_Space


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