BackForward Satellite: IBEX 

Satellite details
Acronym IBEX
Full name Interstellar Boundary Explorer
WIGOS Station Identifier ---
Satellite Description
  • Single flight unit of the IBEX programme.
  • Main mission: exploration of the region between the solar system and the interstellar space.
  • Highly elliptical orbit with perigee 47,000 km, apogee 308,000 km.
Mass at launch 186 kg Dry mass 160 kg
Power 140 W
Data access link no link provided
Data access information
  • Data available from the IBEX Science Operations Centers at the Southwest Research Institute (SwRI) and the Boston University
Orbit Cross-magnetosphere orbit Altitude
Inclination 11 °


Space agency NASA
Status Unclear
Details on Status
(as available)
  • The initial orbit with perigee 7,000 km, apogee 319,000 km, was modified in June 2011 to increase the perigee in order to avoid the radiation belts and extend lifetime.
Launch 19 Oct 2008 EOL 2023
Last update: 2023-12-21
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 IBEX

Acronym Full name
IBEX Interstellar Boundary Explorer
Show instrument status and calibration