BackForward Satellite: Polar 

Satellite details
Acronym Polar
Full name Polar
Satellite Description
  • Single flight unit of the Polar programme.
  • Main mission: Space weather, specifically in the Magnetosphere.
  • Highly Elliptical Orbit of perigee 11,500 km, apogee 56,500 km
Mass at launch 1297 kg Dry mass 1028 kg
Power 440 W
Data access link no link provided
Data access information
  • Data available from NASA/GSFC.
Orbit Cross-magnetosphere orbit Altitude
Inclination 86 °


Space agency NASA
Status Inactive
Details on Status
(as available)
Launch 24 Feb 1996 EOL 15 Apr 2008
Last update: 2015-07-28
Associated satellite programme and related satellites

Note: red tag: no longer operational , green tag: operational , blue tag : future

  • Polar
    • Polar (1996 - 2008)
Satellite Payload

All known Instruments flying on Polar

Acronym Full name
MFE Magnetic Field Experiment
EFI Electric Fields Instrument
PWI Plasma Wave Instrument
HYDRA Hot Plasma Analyzer Experiment
TIDE/PSI Thermal Ion Dynamics Experiment / Plasma Source Investigation
TIMAS Toroidal Imaging Mass-Angle Spectrograph
CAMMICE Charge and Mass Magnetospheric Ion Composition Experiment
CEPPAD Comprehensive Energetic-Particle Pitch Angle Distribution
UVI Ultraviolet Imager
VIS Visible Imaging System
PIXIE Polar Ionospheric X-ray Imaging Experiment
Show instrument status and calibration