BackForward Satellite: Solar Probe Plus 

Satellite details
Acronym Solar Probe Plus
Full name Solar Probe Plus
Satellite Description
  • Single flight unit of the Solar Probe Plus programme.
  • Main mission: close-up observation of solar processes.
  • Heliocentric orbit with lowest perihelion at 5.9 million km (in the corona), to be reached for the first time after 6.4 years from launch; aphelion 108 million km.
Mass at launch 610 kg Dry mass 555 kg
Power 343 W
Data access link no link provided
Data access information
  • Data available from NASA/GSFC.
Orbit Solar orbit Altitude
Inclination 3.4 °


Space agency NASA
Status Planned
Details on Status
(as available)
  • Launch scheduled for 31 July 2018.
Launch Jul 2018 EOL ≥2025
Last update: 2017-08-29
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 Solar Probe Plus

Acronym Full name
SWEAPI Solar Wind Electrons Alphas and Protons Investigation
WFI Wide-field Imager
FE Fields Experiment
ISIS Integrated Science Investigation of the Sun
Show instrument status and calibration