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INTERCOSMOS 21 (12162)
COSPAR: 1981-011A | Alt Name: Interkosmos-21
DECAYED
Image
Additional Sources
Launch Details
Launch Date
February 6, 1981
Launch Site
PLMSC
Launch Pad
LC132/1
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
12162
International Designator
1981-011A
Decay Date
7/7/1982
Basic Satellite Info
Name
INTERCOSMOS 21
Alternative Name
Interkosmos-21
Type
Payload
Status
Decayed
Owner
IK
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
INTERCOSMOS 21, also known as Interkosmos-21, is a scientific satellite launched by the Soviet Union on February 6, 1981, from Plesetsk Cosmodrome using the Kosmos 11K65M launch vehicle. It has dimensions of 1.8 meters in length and 1.5 meters in diameter with a span of 23 meters due to its deployable solar arrays. The satellite's dry mass is 995 kilograms, identical to its launch mass. Its shape consists of a cylinder with two panels and an antenna (Cyl + 2 Pan + Ant). Equipped with eight deployable fixed solar arrays providing power through solar cells and batteries, the satellite was manufactured by YUZH for the Intercosmos program. The mission's objective was scientific research, with an operational lifetime of approximately six months.
Physical Characteristics
Length
1.8
Diameter
1.5
Span
23
Dry Mass
995
Launch Mass
995
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
13.9175
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
AUOS-Z-R-P-IK
Purpose
Science
Mission
Science
Manufacturer
YUZH
Life Expectancy
6 months
Bus
AUOS
Configuration
AUOS-Z
Motor
Unknown
Equipment
Unknown
Power System
8 deployable fixed solar arrays, solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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