BackForward Satellite: Obzor-R N4 

Satellite details
Acronym Obzor-R N4
Full name Operative Monitoring Satellite - Radar - number 4
Satellite Description
  • 4th flight model of the Obzor-R series
  • Main mission: all weather high-resolution land observation
Mass at launch Dry mass
Data access link no link provided
Data access information
  • TBD
Orbit Sunsynchronous orbit Altitude 650 km


Space agency Roscosmos
Status Planned
Details on Status
(as available)
Launch ≥2027 EOL ≥2034
Last update: 2022-01-12
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 Obzor-R N4

Acronym Full name
BRLK “Briz” Onboard Radar Complex (X-band)
Show instrument status and calibration
Telecommunication frequency or microwave sensing channel information Show expert details
Service Dir or Mode Frequency Emission designator Bandwidth Polarisation D/A Data rate or Baseband Comments
BRLK “Briz” active 9623 - 9623 MHz N/R  kHz - A   X-band SAR