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COSMOS 2121 (21059)
COSPAR: 1991-004A | Alt Name: Kosmos-2121
DECAYED
Image
Additional Sources
Launch Details
Launch Date
January 17, 1991
Launch Site
PLMSC
Launch Pad
LC16/2
Launch Vehicle
Soyuz-U-PVB
Orbital Elements
NORAD ID
21059
International Designator
1991-004A
Decay Date
2/11/1991
Basic Satellite Info
Name
COSMOS 2121
Alternative Name
Kosmos-2121
Type
Payload
Status
Decayed
Owner
UNKSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
COSMOS 2121 (also known as Kosmos-2121) is a reconnaissance satellite launched on January 17, 1991, from the Plesetsk launch site using Soyuz-U-PVB as the launch vehicle. Manufactured by TSSKB and designed with a Zenit bus configuration, it has dimensions of 6 meters in length and 2.2 meters in diameter with a span of 6 meters. The satellite is equipped for photo reconnaissance and utilizes batteries for power supply. Its shape consists of a sphere combined with a DCone section and weighs approximately 2655 kilograms at launch. The Oblik bus type houses the mission equipment, specifically designated as Oblik No. 817. Equipped with 11D82M and S5.120 (maneuver module) motors for its propulsion system, COSMOS 2121 was launched on the same day it became stable in orbit. The satellite is owned by UNKSR and operated for photo reconnaissance purposes through a film return type mission.
Physical Characteristics
Length
6
Diameter
2.2
Span
6
Dry Mass
2655
Launch Mass
2655
Shape
Sphere + DCone
Radar Cross Section
4.41
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Oblik No. 817
Purpose
Reconnaissance, photo (film return type)
Mission
Reconnaissance, photo (film return type)
Manufacturer
TSSKB
Life Expectancy
Unknown
Bus
Oblik
Configuration
Zenit bus
Motor
11D82M; S5.120 (maneuver module)
Equipment
Unknown
Power System
Batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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