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COSMOS 2161 (21732)
COSPAR: 1991-068E | Alt Name: Kosmos-2161
Image
Additional Sources
Launch Details
Launch Date
September 28, 1991
Launch Site
PLMSC
Launch Pad
LC32/2
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
21732
International Designator
1991-068E
Epoch
Sat, 04 Jul 2026 04:22:53 GMT
Apogee
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Perigee
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Inclination
82.58°
Right Ascension
273.99°
Eccentricity
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Argument of Perigee
296.83°
Period
113.81 min
Mean Motion
12.65 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 2161
Alternative Name
Kosmos-2161
Type
Payload
Status
Unknown
Owner
UNKSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21732U 91068E 26185.18256528 .00000036 00000-0 13800-3 0 9992
2 21732 82.5769 273.9901 0009731 296.8252 86.8784 12.65278813605419
Source: Celestrak
Summary
COSMOS 2161 (also known as Kosmos-2161) is a military communication satellite that was launched on September 28, 1991, from the Plesetsk Cosmodrome Launch Site LC32/2 using a Tsiklon-3 launch vehicle. The spacecraft measures 1.6 meters in length with a diameter of 0.8 meters and spans 7 meters when fully deployed. It has a dry mass of 225 kg, which is also its launch mass. The satellite's bus configuration is Strela-3, manufactured by NPOPM for military communication purposes. Its shape is described as cylindrical with antennas (Cyl + Ant), and it features solar cells and batteries for power supply. The reflective surface area of the satellite is 1.0428 square meters.
Physical Characteristics
Length
1.6
Diameter
0.8
Span
7
Dry Mass
225
Launch Mass
225
Shape
Cyl + Ant
Radar Cross Section
1.0428
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Strela-3
Purpose
Military Communication
Mission
Military Communication
Manufacturer
NPOPM
Life Expectancy
Unknown
Bus
Strela-3
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, 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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