BackForward Satellite: GEOTAIL 

Satellite details
Full name GEOTAIL
WIGOS Station Identifier ---
Satellite Description
  • Single flight unit of the GEOTAIL programme.
  • Main mission: measurement of magnetospheric fields when travelling along the tail (perigee 57,000 km, apogee 200,000 km).
Mass at launch 1009 kg Dry mass 679 kg
Power 275 W
Data access link no link provided
Data access information
  • Data available from JAXA and NASA.
Orbit Cross-magnetosphere orbit Altitude
Inclination 29 °


Space agency JAXANASA
Status Inactive
Details on Status
(as available)
  • On 28 June 2022 the backup data recorder failed which will result in the end of the mission unless it is recovered.
Launch 02 Jul 1992 EOL 28 Jun 2022
Last update: 2023-07-10
Associated satellite programme and related satellites

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

Satellite Payload

All known Instruments flying on GEOTAIL

Acronym Full name
EFD Electric Field Detector
MGF Magnetic Field Measurement
HEP High Energy Particles Experiment
LEP Low Energy Particles Experiment
PWI Plasma Waves Investigation
EPIC Energetic Particle and Ion Composition Experiment
CPI Comprehensive Plasma Investigation
Show instrument status and calibration