Data Quality83%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the optical / imaging satellites category.
01 / Overview
Yantar-4KS1
Category
Country
Prime contractor
Production
1982–1994
Quantity
30
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
OPTICAL / IMAGING SATELLITES · COLD WAR
2
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the optical / imaging satellites category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Satellite Typefilm-return reconnaissance satellite
- First Launch Year1981
- OperatorGRU
- Constellation Size1
- ManufacturerTsSKB-Progress
- In ServiceYes
◈Orbit5MOD.5
- Orbit Type (LEO/MEO/GEO)low Earth orbit
- Altitude200 km
- Inclination65
- Orbital Period90
- Design Life2 year
▣Platform4MOD.4
- Launch Mass6.6 kg
- Power1.5 kW
- Stabilization3-axis stabilized
- Satellite BusYantar
◇Payload8MOD.8
- Primary PayloadSA-106 topographic camera
- Imaging Resolution1 m
- Swath Width40 km
- Revisit Time12
- Sensor Typephotographic film
- Position Accuracy (nav)100 m
- Inter-Satellite LinkNo
- Frequency Bandnone
03 / History
SERVICE LIFESPANStill in Service
- 1982Production started
- 1994Production ended
44
years in service
12
years in production
30
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
OPTICAL / IMAGING SATELLITES RANKING Optical / Imaging Satellites · Cold War
MASS RANKINGSMASS ↗
10OPTICAL / IMAGING SATELLITES2COLD WAR · OPTICAL / IMAGING SATELLITES633RUSSIA · ALL WEAPONS10PERFORMANCE/PRICE · OPTICAL / IMAGING SATELLITES
ⓘ Rankings are within theOptical / Imaging Satellitescategory.
📚 Sources