BackForward Satellite: SWARM-A 

Satellite details
Acronym SWARM-A
Full name The Earth’s Magnetic Field and Environment Explorers - A
WIGOS Station Identifier ---
Satellite Description
  • Flown in the same orbit of SWARM-C, the two satellites following each other with < 10 s delay.  Launched at the same time as SWARM-B.
  • Main mission: measurement of magnetic and electric fields in the magnetosphere.
  • Substantial contribution to gravity field measurement.
Mass at launch 473 kg Dry mass 367 kg
Power 600 W
Data access link
Data access information
  • Data available from the ESA/ESRIN PDGS in Frascati.
Orbit Drifting orbit Altitude 460 km
Inclination 87.35 °


Space agency ESACNESCSA
Status Operational
Details on Status
(as available)
Launch 22 Nov 2013 EOL ≥2025
Last update: 2023-11-06
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 SWARM-A

Acronym Full name
ACC Accelerometer
ASM Absolute Scalar Magnetometer
EFI Electric Field Instrument
GPS GPS Receiver
LRR Laser Retro-Reflector
STR Star Tracker Set
VFM Vector Field Magnetometer
Show instrument status and calibration