Tsubasa

Japan

Spacecraft n°:

Japanese satellite n°: 99

Also called MDS-1, Tsubasa (means Wing)

Launch data:

Designation	27367 / 02003A
Launch date	04 Feb 2002 - 02:45 UT
Launch site	Tanegashima
Launch vehicle	H-2A 2024 (#8)
Mission	Technology
Earth orbit on:
Perigee/Apogee	500 / 36000 km
Inclination
Period

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.

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.

Ref: #7, #15 - update: 06.04.09