ERBS

USA

Earth Radiation Budget Satellite, also called SAGE 2

Launch data:

Designation 15354 / 84108B
Launch date 05 Oct 1984
Launch site KSC, LC-39A
Launch vehicle  Shuttle STS-41G
Mission Scientific: high atmosphere study
Perigee / Apogee 582 x 593 km
Eccentricity 
Inclination °57
Period 96.4 min

Part of a NASA Earth Radiation Budget Experiment (ERBE) to measure radiation emitted by the Earth and the effect of a solar radiation incident on the Earth.

Specifications

Prime contractor Ball
Mass at launch2300 kg
Dry Mass147 kg
Length 1.6 m
Height 3.8 m
Solar array 7 m span
Stabilization 3-axis

A 180 degree yaw maneuver is performed approximately every 5 weeks to keep sun on the solar arrays.

Payload: 2 radiometers and SAGE 2 (Stratospheric Aerosol and Gas Experiment) to monitor vertical distribution of aerosols, ozone and carbone dioxide in the stratosphere.

Telemetry and data via TDRS (S-band).
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