BackForward Satellite: PROBA-3O 

Satellite details
Acronym PROBA-3O
Full name PROBA-3 Occulter
WIGOS Station Identifier ---
Satellite Description

One of two satellites together in tight formation to form a 144-m long solar coronagraph to study the Sun’s faint corona closer to the solar rim. One satellite has the coronograph and the other an occulter. 

Mass at launch Dry mass 200 kg
Data access link no link provided
Data access information
Orbit Molniya orbit Altitude


Space agency ESA
Status Planned
Details on Status
(as available)
  • High Earth orbit, 19.7 hours orbital period, 60 530 km apogee, 600 km perigee
Launch ≥2024 EOL ≥2030
Last update: 2024-02-19
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 PROBA-3O

Acronym Full name
Occulter Occulter for coronograph
Show instrument status and calibration