MDS 1

Also called Tsubasa (means Wing)

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General

Designation	27367 / 02003A
Launch date	4 Feb 2002
Country of origin	Japan
Mission	Technology
Perigee/Apogee	500 / 36000 km
Inclination
Period
Launch vehicle	H2 #8

To demonstrate and verify in orbit commercial parts and miniature components.

Worth $43 million. The launch vehicle itself is reported to have cost $64 million. Entered service on 15 Feb 2002.

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External resources

sat-index articles

Technical data

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Specifications

Prime contractor	NEC
Platform
Mass at launch	449 kg
Mass in orbit
Dimension	box-shaped, 3.3 x 1.6 m
Solar array
Stabilization	spin-stabilized
DC power	900 W
Design lifetime	1 year

The Space Environment Data Acquisition equipment (SEDA) is to provide data on how cosmic radiation causes semiconductor anomalies. Heavy Ion Telescope (HIT), a part of SEDA, has a built-in Single event Upset Monitor (SUM), which counts the occurrences of single event phenomena induced by the passage of single heavy ions.

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