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Aura (satellite)

For other uses, see Aura (disambiguation).
File:Aura satellite.jpg
Aura (EOS CH-1)
Mission type Earth Observation
Operator NASA
COSPAR ID 2004-026A
SATCAT № 28376
Spacecraft properties
Launch mass Script error: No such module "convert".
Power 4.6 kW
Start of mission
Launch date July 15, 2004, 10:01:51 (2004-07-15UTC10:01:51Z) UTC
Rocket Delta II 7920-10L
Launch site Vandenberg SLC-2W
Orbital parameters
Reference system Geocentric
Regime Sun-synchronous
Eccentricity 0.0001111[1]
Perigee Script error: No such module "convert".[1]
Apogee Script error: No such module "convert".[1]
Inclination 98.22 degrees[1]
Period 98.83 minutes[1]
Epoch 25 January 2015, 03:15:27 UTC[1]

Aura (EOS CH-1) is a multi-national NASA scientific research satellite in orbit around the Earth, studying the Earth's ozone layer, air quality and climate. It is the third major component of the Earth Observing System (EOS) following on Terra (launched 1999) and Aqua (launched 2002). Aura follows on from the Upper Atmosphere Research Satellite (UARS).

The name "Aura" comes from the Latin word for air. The satellite was launched from Vandenberg Air Force Base on July 15, 2004, aboard a Delta II 7920-10L rocket.

The Aura spacecraft has a mass of about 1,765 kg. The body is 6.9 m long with the extended single solar panel about 15 m.

In formation, in a "train"

Aura flies in a sun-synchronous orbit, in formation with the "A Train", a collection of several other satellites:

all satellites having an equatorial crossing time at about 1:30 in the afternoon.


Aura carries four instruments for studies of atmospheric chemistry:

See also


  1. ^ a b c d e f "AURA Satellite details 2004-026A NORAD 28376". N2YO. 25 January 2015. Retrieved 25 January 2015. 

External links