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COSMOS 1656 (15755)
COSPAR: 1985-042A | Alt Name: Kosmos-1656
Image
Additional Sources
Launch Details
Launch Date
May 30, 1985
Launch Site
Launch Pad
LC200/40
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
15755
International Designator
1985-042A
Epoch
Fri, 03 Jul 2026 20:45:49 GMT
Apogee
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Perigee
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Inclination
71.11°
Right Ascension
240.96°
Eccentricity
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Argument of Perigee
315.73°
Period
101.34 min
Mean Motion
14.21 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
COSMOS 1656
Alternative Name
Kosmos-1656
Type
Payload
Status
Unknown
Owner
TSN108
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 15755U 85042A 26184.86515986 -.00000088 00000-0 -18319-4 0 9995
2 15755 71.1107 240.9561 0036683 315.7313 44.0880 14.21010955129530
Source: Celestrak
Summary
COSMOS 1656 (also known as Kosmos-1656) is a SIGINT satellite launched by the Soviet Union on May 30, 1985, from the TYMSC launch site using a Proton-K/DM-2 launch vehicle. The spacecraft, manufactured by YUZH and operated by TSN108, has dimensions of 4.5 meters in length, 1.4 meters in diameter, and a span of 22.7 meters. It weighed 3250 kilograms at launch and had the same dry mass. Equipped with Tselina-2 No. 2L payload for SIGINT operations and powered by two deployable solar arrays along with batteries, COSMOS 1656 was designed to operate for approximately one year in a cylindrical shape with two panels and an antenna configuration. Its radar cross-section (RCS) is 12.1965 square meters.
Physical Characteristics
Length
4.5
Diameter
1.4
Span
22.7
Dry Mass
3250
Launch Mass
3250
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
12.1965
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tselina-2 No. 2L
Purpose
SIGINT
Mission
SIGINT
Manufacturer
YUZH
Life Expectancy
1 year
Bus
Tselina-2
Configuration
Unknown
Motor
?
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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