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SL-8 R/B (20578)
COSPAR: 1990-036B | Alt Name: Kosmos-3M 26-195 Stage 2
Image
Additional Sources
Launch Details
Launch Date
April 20, 1990
Launch Site
PLMSC
Launch Pad
LC133/3
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
20578
International Designator
1990-036B
Epoch
Fri, 03 Jul 2026 22:44:34 GMT
Apogee
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Perigee
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Inclination
82.94°
Right Ascension
66.88°
Eccentricity
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Argument of Perigee
97.22°
Period
104.60 min
Mean Motion
13.77 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
SL-8 R/B
Alternative Name
Kosmos-3M 26-195 Stage 2
Type
Rocket Body
Status
Space Junk
Owner
RVSN
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 20578U 90036B 26184.94761730 .00000054 00000-0 39321-4 0 9999
2 20578 82.9427 66.8846 0014235 97.2192 273.4897 13.76654650818188
Source: Celestrak
Summary
A rocket body, also commonly referred to as an upper stage or spent rocket stage, is the structural shell left behind after a rocket has delivered its payload to orbit. These large and often heavy pieces of space hardware can remain in orbit for years, posing significant collision hazards as part of the growing space debris problem. If left uncontrolled, rocket bodies have the potential to reenter Earth's atmosphere unpredictably, which can lead to falling debris in populated areas. Additionally, they risk colliding with operational satellites or the International Space Station, creating more debris and putting human life at risk.
Physical Characteristics
Length
4.2
Diameter
2.4
Span
4.2
Dry Mass
1434
Launch Mass
1434
Shape
Cyl
Radar Cross Section
4.2632
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
S3M
Purpose
Unknown
Mission
Unknown
Manufacturer
POL
Life Expectancy
Unknown
Bus
S3
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
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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