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INTERCOSMOS 25 (21819)
COSPAR: 1991-086A | Alt Name: Interkosmos-25
Image
Additional Sources
Launch Details
Launch Date
December 18, 1991
Launch Site
PLMSC
Launch Pad
LC32/2
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
21819
International Designator
1991-086A
Epoch
Sat, 04 Jul 2026 02:45:23 GMT
Apogee
Calculating...
Perigee
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Inclination
82.60°
Right Ascension
239.57°
Eccentricity
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Argument of Perigee
225.84°
Period
118.79 min
Mean Motion
12.12 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
INTERCOSMOS 25
Alternative Name
Interkosmos-25
Type
Payload
Status
Unknown
Owner
IK
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21819U 91086A 26185.11485667 .00001018 00000-0 20125-3 0 9998
2 21819 82.6025 239.5663 1484072 225.8414 121.0926 12.12222946510796
Source: Celestrak
Summary
INTERCOSMOS 25 (also known as Interkosmos-25) is a science satellite launched on December 18, 1991, from the Plesetsk Cosmodrome's LC32/2 pad using the Tsiklon-3 launch vehicle. The spacecraft has a cylindrical body with two panels and two antennas, measuring 2.5 meters in length and 1.5 meters in diameter, with a span of 23 meters likely due to solar arrays. It had a dry mass of 1266 kilograms and was equipped with eight deployable fixed solar arrays for power generation, along with batteries. Manufactured by YUZH, the satellite's mission lasted approximately six months. The payload aboard was AUOS-Z-AP-IK No. 301, intended for scientific research purposes.
Physical Characteristics
Length
2.5
Diameter
1.5
Span
23
Dry Mass
1266
Launch Mass
1266
Shape
Cyl + 2 Pan + 2 Ant
Radar Cross Section
7.324
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
AUOS-Z-AP-IK No. 301
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
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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