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COSMOS 2143 (21299)
COSPAR: 1991-033A | Alt Name: Kosmos-2143
Image
Additional Sources
Launch Details
Launch Date
May 16, 1991
Launch Site
PLMSC
Launch Pad
LC32/2
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
21299
International Designator
1991-033A
Epoch
Sat, 04 Jul 2026 05:32:05 GMT
Apogee
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Perigee
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Inclination
82.58°
Right Ascension
291.84°
Eccentricity
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Argument of Perigee
19.77°
Period
113.93 min
Mean Motion
12.64 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 2143
Alternative Name
Kosmos-2143
Type
Payload
Status
Unknown
Owner
UNKSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21299U 91033A 26185.23061485 .00000052 00000-0 22488-3 0 9994
2 21299 82.5758 291.8429 0013013 19.7706 3.7889 12.63929510620723
Source: Celestrak
Summary
COSMOS 2143 (also known as Kosmos-2143) is a military communication satellite that was launched by the Soviet Union on May 16, 1991, from the Plesetsk Cosmodrome LC32/2 launch pad using a Tsiklon-3 launch vehicle. The spacecraft measures 1.6 meters in length with a diameter of 0.8 meters and a span of 7 meters, featuring a cylindrical shape complemented by antennas (Cyl + Ant). It has a dry mass of 225 kilograms and was equipped with solar cells and batteries for power supply. Manufactured by NPOPM, the satellite is part of the Strela-3 bus series and serves military communication purposes under an owner identified as UNKSR.
Physical Characteristics
Length
1.6
Diameter
0.8
Span
7
Dry Mass
225
Launch Mass
225
Shape
Cyl + Ant
Radar Cross Section
1.0246
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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