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Aqua (satellite)

File:Aqua satellite simulation.jpg
Aqua (EOS PM-1)
Operator NASA
COSPAR ID 2002-022A
Mission duration 6 years (planned)
Spacecraft properties
Launch mass Script error: No such module "convert".
Power 4,444 watts
Start of mission
Launch date May 4, 2002, 09:54:58 (2002-05-04UTC09:54:58Z) UTC
Rocket Delta II 7920-10L
Launch site Vandenberg SLC-2W
Contractor Boeing
Orbital parameters
Reference system Geocentric
Regime Low Earth
Semi-major axis Script error: No such module "convert".
Eccentricity 0.01203
Perigee Script error: No such module "convert".
Apogee Script error: No such module "convert".
Inclination 98.14 degrees
Period 98.4 minutes

Aqua (EOS PM-1) is a multi-national NASA scientific research satellite in orbit around the Earth, studying the precipitation, evaporation, and cycling of water. It is the second major component of the Earth Observing System (EOS) preceded by Terra (launched 1999) and followed by Aura (launched 2004).

The name "Aqua" comes from the Latin word for water. The satellite was launched from Vandenberg Air Force Base on May 4, 2002, aboard a Delta II rocket. Aqua is on a Sun-synchronous orbit. It flies as the second in the satellite formation called the "A Train" with several other satellites (Aura, CALIPSO, CloudSat, OCO-2, the French PARASOL, and the Japanese GCOM W1).

Aqua carries six instruments for studies of water on the Earth's surface and in the atmosphere:

The Aqua spacecraft has a mass of about Script error: No such module "convert"., plus propellant of about Script error: No such module "convert". (at launch). Stowed, the satellite is 2.68 m x 2.49 m x 6.49 m. Deployed, Aqua is 4.81 m x 16.70 m x 8.04 m.

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