Prognoz 11

Russia

Also called Interball 1 or SO-M2 #512

Launch data:

Designation 23633 / 95039A
Launch date02 Aug 1995 at 23:59 UT
Launch site Plesetsk
Launch vehicle  Molniya-M (Blok)2BL)
MissionScientific: magnetosphere study (Prognoz M2)
Earth orbit:
Perigee/Apogee 505/193064 km
Inclination 63.8°
Period 5472 min
Mass at launch 1200 kg

This satellite is the Khvostovoy Zond ("Tail") satellite of Project Interbol, intended to investigate the Earth's geomagnetic tail.

On-board science instruments

SKA-1, PROMICS-3, VDP, AMEI-2, CORAL, ALPHA3 (plasma ions)
ELECTRON, (plasma electrons)
MONITOR-3 (solar wind ions with high time resolution)
IFPE (ion and electron flux variations)
MIF-M, FGS-1, FM-31 (magnetometers); OPERA (electric field)
AKR-X (solar radio emission 0.1-1.5 MHz)
RF-15-1 (solar X-rays 2-240 keV)
SKA-2, DOK-2, SOSNA-2, RKA-2 (energetic particles)

Ref: #7, #15 - update: 22.07.04