Astrid 2

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General

Designation	25568 / 98072B
Launch date	10 Dec 1998
Country of origin	Sweden
Operator	Swedish Space Corporation
Mission	Scientific: ionosphere and magnetosphere study
Perigee/Apogee	977 / 1013 km
Inclination	82.9°
Period	105 min
Launch vehicle	Cosmos C

The satellites were named after Astrid Lindgren, world-famous Swedish writer for children, the author of numerous fairy tales.

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External resources

http://www.ssc.se/ssd/msat/astrid2.html

sat-index articles

Technical data

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Specifications

Prime contractor
Platform
Mass at launch	27 kg
Payload mass	10 kg
Dimensions	1.10 m x 1.70 m x 0.30 m
Solar array	4 wings, silicon
Stabilization	spin stabilized
DC power	90 W
Design lifetime	2 years

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Scientific payload

EMMA (Electrical and Magnetic field Monitoring of the Aurora)
LINDA (Langmuir INterferometer and Density experiment for Astrid-2)
MEDUSA (Miniaturized Electrostatic DUal-tophat Spherical Analyzer)
PIA (Photometers for Imaging the Aurora)

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S-band (2208.1629 MHz)

Main transponders	1
Backup transponders
Power
Bandwidth
Coverage	omnidirectional
EIRP max
Data flow	128 kbps

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