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SL-8 DEB (21187)
COSPAR: 1991-009BA | Alt Name: deb S3M
Image
Additional Sources
Launch Details
Launch Date
February 12, 1991
Launch Site
PLMSC
Launch Pad
LC133/3
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
21187
International Designator
1991-009BA
Epoch
Fri, 03 Jul 2026 20:26:16 GMT
Apogee
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Perigee
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Inclination
74.25°
Right Ascension
335.60°
Eccentricity
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Argument of Perigee
22.14°
Period
119.07 min
Mean Motion
12.09 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 DEB
Alternative Name
deb S3M
Type
Debris
Status
Space Junk
Owner
RVSN
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21187U 91009BA 26184.85157833 -.00000162 00000-0 -15644-2 0 9992
2 21187 74.2466 335.6034 0179292 22.1442 131.1732 12.09399123559320
Source: Celestrak
Summary
Space debris, also known as space junk, encompasses all non-functional objects orbiting Earth such as defunct satellites, spent rocket stages, and fragments from collisions or disintegrations. Over time, this debris can accumulate and create an increasingly hazardous environment in orbit. Even tiny fragments, traveling at extremely high velocities, can inflict significant damage on operational satellites and spacecraft. If left unmanaged, the density of debris raises the risk of catastrophic collisions and further fragmentation, compounding the problem and threatening the safety and sustainability of space activities.
Physical Characteristics
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.0508
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Unknown
Purpose
Unknown
Mission
Unknown
Manufacturer
Unknown
Life Expectancy
Unknown
Bus
Unknown
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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