Hélios 1B

France

Spacecraft nº:

France spacecraft nº: 44

Launch data:

Designation: 25977 / 99064A
Launch date03 Dec 1999 - 16:23 UT
Launch site Ko, ELA2
Launch vehicle: Ariane-40 (V124)
Mission: Military: reconnaissance (Imaging)
Earth orbit:
Perigee/Apogee 660/682 km sun-synchronous
Inclination 98.1°
Period 98.4 min

With this satellite the revisit period of the system will be about 1 day. Same orbit but 180 degrees separation

Specifications

Prime contractor Matra Marconi Space (under control of CNES)
Platform Spot (Mark 2)
Mass at launch 2544 kg
Mass in orbit  
Dimension  
Stabilization 3-axis
DC power 2200 W
Design lifetime 5 years

The satellite is identical to Helios 1A except it has a static memory storage and two 120 Gbit magnetic recorders.
Ref: #15 - update: 06.01.11