Welcome to GSTB-V2
  ESA Home |  Navigation |  Galileo |  Egnos |  GIOVE |  
  10-Feb-2010 08:22:09 UTC  
  Menu
  GIOVE Home
    Mission Objectives
    System Architecture
    GIOVE A
    GIOVE B
    GIOVE Mission Segment »
  Signal Transmission »
  NAGU Files
  Available Data »
  Documentation »
  Announcements
  Giove Multimedia Page
  Links
  Contacts / Info Request
  Search
  
  
  Advanced Search »
  Login
  Username:
  
  Password:
  
  
  Create Account »
 
 
Copyright © European Space Agency. All rights reserved.
Web site developed by INDRA for Thales Alenia Space
GIOVE B

Industrial Partners: Satellite Prime: Astrium Germany, Satellite AIV: Thales Alenia Space Italy, Payload: Astrium UK, Platform: Thales Alenia Space France
Orbital Parameters: Meo at 23.200 km
Launch date: April 26 2008 22:16 UTC
Lifetime: Estimated 2.5 years
Operation centre: Telespazio Control Centre, Fucino, Italy
Ground Stations: Fucino (I), and Kiruna (SE)

GIOVE B

System: 3-axis stabilised
Sizes: cube-shaped body of 0.95 x 0.95 x 2.4 m
Mass: 530 kg (lift off mass) at launch
Power: 1100 W via 2 Sun-tracking arrays each 4.34 m long.
Propulsion: Hydrazine system with single tank of 28 kg
Transmission: Payload simultaneously transmits Galileo signals in two out of three available frequency channels (L1+E5+E6).

Payload main elements:

Antenna Phased array of individual L-band elements, illuminating the whole visible Earth
Signal-generation unit: Flexible to transmit differents types of signals
Clocks: Three redundant, two rubidium atomic clocks and one hydrogen maser with a stability of 1 ns per day, which will be the most stable clock ever flown in space
Radiation Monitors: Standard Radiation Environment Monitor (SREM) to characterise the Medium Earth Orbit radiation environment
Laser reflector Approximately same size as GLONASS (developed by Russian company)

Platform main elements:

AOCS Actuators: 4 Reaction wheels
2 Magnetotorquers
8 thrusters
AOCS Sensors: 2 Earth Sensors
2 Gyro's
OBC: 1 Internal redundant ICDU
TTC: 1 Transponder (up 2kbps down 32 kbps)

GIOVE B Hardware


 
 Printable Version