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SL-8 R/B (28421)
COSPAR: 2004-037C | Alt Name: Kosmos-3M 79-811 Stage 2
Image
Additional Sources
Launch Details
Launch Date
September 23, 2004
Launch Site
PLMSC
Launch Pad
LC132/1
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
28421
International Designator
2004-037C
Epoch
Fri, 03 Jul 2026 19:26:44 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
82.48°
Right Ascension
325.48°
Eccentricity
Calculating...
Argument of Perigee
275.55°
Period
115.72 min
Mean Motion
12.44 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SL-8 R/B
Alternative Name
Kosmos-3M 79-811 Stage 2
Type
Rocket Body
Status
Space Junk
Owner
KVR
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 28421U 04037C 26184.81023394 -.00000044 00000-0 -37878-3 0 9998
2 28421 82.4842 325.4750 0020191 275.5472 261.4352 12.44411212989009
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
4.8106
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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