SERVIS-1

SERVIS-1, or Space Environment Reliability Verification Integrated System 1, is a Japanese satellite designed for testing the performance of commercial off-the-shelf products in the space environment. It has a mass of about 840 kg, and was launched on 30 October 2003 from the Plesetsk Cosmodrome by Eurockot, who used a Rokot rocket with a Briz-KM upper stage. The satellite was active for two years.^[3] A second satellite, SERVIS-2, was launched in 2010.

SERVIS-1

Mission type	Technology
Operator	USEF
COSPAR ID	2003-050A
SATCAT no.	28060
Website	USEF - Project SERVIS
Mission duration	2 years
Spacecraft properties
Manufacturer	Mitsubishi Electric
Launch mass	840 kilograms (1,850 lb)
Dimensions	2.5 by 10.2 metres (8.2 by 33.5 ft)
Power	1,300 watts
Start of mission
Launch date	30 October 2003, 13:43:42 (2003-10-30UTC13:43:42Z) UTC[1]
Rocket	Rokot/Briz-KM
Launch site	Plesetsk 133/3
Contractor	Eurockot
Orbital parameters
Reference system	Geocentric
Regime	Sun-synchronous
Perigee altitude	984 kilometres (611 mi)[2]
Apogee altitude	1,015 kilometres (631 mi)[2]
Inclination	99.5 degrees[2]

Experiments

Nine experiments were being conducted by SERVIS-1.^[3]

Name	Full name	Description	Remarks
VTS	Vane-type Propellant Tank System
INU	Integrated Navigation Unit
PCDS	Power Control and Distribution Unit
APDM	Advanced Paddle Drive Mechanism
ATTC	Advanced Tracking Telemetry and Command Transponder
OBC	On Board Computer
SIS	Integrated Satellite Controller with Star Sensor
LIB	Lithium Ion Battery System
FOIRU	Fibre Optic Gyro Inertial Reference Unit

Results from the mission

All the modules on the satellite worked as planned.^[4] The mission tested a number of electronic components, and determined that the rate of single-event upsets at its 1000 km orbit was substantially less than had been expected from tests using heavy ion bombardment on the ground.^[3]

See also

• Spaceflight portal

• 2003 in spaceflight