BackForward Satellite: COSMIC-1 

Satellite details
Acronym COSMIC-1
Full name Constellation Observing System for Meteorology, Ionosphere & Climate - 1
WIGOS Station Identifier ---
Satellite Description
  • 1st constellation of the COSMIC programme, also called FormoSat-3.
  • Cluster of 6 satellite spread along different drifting orbits.
  • Main mission: temperature/humidity sounding.
  • Substantial contribution to Space weather.
Mass at launch 61 kg Dry mass
Power 46 W
Data access link
Data access information
  • Data available by Internet from CDAAC and TACC.
  • Also input to GTS by NOAA after reception from CDAAC (latency time: 75 min).
Orbit Drifting orbit Altitude 800 km
Inclination 72 °


Status Inactive
Details on Status
(as available)
  • FinalĀ asset of orbital separation achieved by end 2007.
  • Progressive degradation of the constellation performance: FM-2, FM-3 and FM-4 off; other intermittent or degraded.
  • Final decommissioning of the constellation in May 2020.
Launch 14 Apr 2006 EOL 06 May 2020
Last update: 2021-05-20
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 COSMIC-1

Acronym Full name
IGOR Integrated GPS Occultation Receiver
TIP Tiny Ionosphere Photometer
CERTO/TBB Coherent Electromagnetic Radio Tomography / Triband Beacon Transmitter
Show instrument status and calibration
Satellite frequencies for Earth Observation, data transfer and platform communications and control
Frequencies for satellite management
Service Direction Frequency (MHz) Emission designator Bandwidth (kHz) Polarisation D/A Data rate (kbps) or Baseband (kHz) Comments
Command E-S 2039.5 MHz 64K0G1D 64 kHz RHCP D 32  kbps Commands
Frequencies for scientific data acquisition and communication services at ground stations
Service Direction Frequency (MHz) Bandwidth (kHz) Polarisation D/A Data rate (kbps) or Baseband (kHz) Comments
TM & Raw Data S-E 2215 MHz 4560 kHz RHCP D 2000  kbps Telemetry, sensor data
TM & Raw Data S-E 2215 MHz 64 kHz RHCP D 36.48  kbps Telemetry, sensor data