Space Brief 19 Dec 2025
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COSMOS 2108 (21000)
COSPAR: 1990-109A | Alt Name: Kosmos-2108
DECAYED
Image
Additional Sources
Launch Details
Launch Date
December 4, 1990
Launch Site
PLMSC
Launch Pad
LC43/4
Launch Vehicle
Soyuz-U
Orbital Elements
NORAD ID
21000
International Designator
1990-109A
Decay Date
1/28/1991
Basic Satellite Info
Name
COSMOS 2108
Alternative Name
Kosmos-2108
Type
Payload
Status
Decayed
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
COSMOS 2108 (also known as Kosmos-2108) is a reconnaissance satellite launched on December 4, 1990, from the Plesetsk Cosmodrome's Launch Complex 43/4 using a Soyuz-U launch vehicle. The spacecraft, manufactured by TSSKB and based on the Yantar'-4K2 bus, consists of a main reentry module along with two small reentry capsules for film return purposes. It measures 6.3 meters in length and diameter, spans 6.3 meters, has a dry mass of 2886 kg, and was launched with the same mass. The satellite is powered by two deployable solar arrays and batteries, designed to conduct photo reconnaissance missions. Its shape is described as cylindrical with two panels.
Physical Characteristics
Length
6.3
Diameter
2.7
Span
6.3
Dry Mass
2886
Launch Mass
2886
Shape
Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Kobal't No. 529
Purpose
Reconnaissance, photo (film return type)
Mission
Reconnaissance, photo (film return type)
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Yantar'-4K2
Configuration
Yantar Bus, main reentry module, 2 small reentry capsules
Motor
Unknown
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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