BackForward Satellite: PUNCH 

Satellite details
Acronym PUNCH
Full name Polarimeter to UNify the Corona and Heliosphere
WIGOS Station Identifier ---
Satellite Description
  • 4 small satellites launched together - 3 containing WFIs and 1 has the NFI and STEAM
  • Main mission to measure solar wind
  • The PUNCH cameras sense normal visible light and its linear polarization which allows the 3D location of solar wind features to be measured.
  • See detailed description at
Mass at launch Dry mass 40 kg
Power 55 W
Data access link no link provided
Data access information
  • Data collected by South West Research Institute.
  • PUNCH has an open data policy and all PUNCH data are freely available to anyone for any purpose.
  • Delivery of near real time coronograph data to NOAA space weather prediction centre.
Orbit Sunsynchronous orbit Altitude 570 km
ECT 06:00 asc


Space agency NASANRL
Status Planned
Details on Status
(as available)
Launch ≥2025 EOL ≥2028
Last update: 2023-03-09
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 PUNCH

Acronym Full name
NFI Narrow Field Imager Coronagraph
WFI Wide Field Heliospheric Imager
STEAM Student Thermal Activity Energetic Module
Show instrument status and calibration