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Today's brief covers South Korea's fourth spy satellite launch, potential changes in drone deployment strategies by the US Air Force, and the largest-ever spectrum-sharing demonstration set by the Pentagon.
SL-8 R/B (18945)
COSPAR: 1988-016J | Alt Name: Kosmos-3M 61-263 Stage 2
Image
Additional Sources
Launch Details
Launch Date
March 11, 1988
Launch Site
PLMSC
Launch Pad
LC132/1
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
18945
International Designator
1988-016J
Epoch
Fri, 03 Jul 2026 23:05:42 GMT
Apogee
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Perigee
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Inclination
74.01°
Right Ascension
88.05°
Eccentricity
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Argument of Perigee
72.43°
Period
117.64 min
Mean Motion
12.24 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 61-263 Stage 2
Type
Rocket Body
Status
Space Junk
Owner
RVSN
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 18945U 88016J 26184.96229587 .00000031 00000-0 40058-3 0 9993
2 18945 74.0080 88.0531 0139811 72.4333 300.5591 12.24049024711974
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
5.896
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
S3M
Purpose
Unknown
Mission
Unknown
Manufacturer
OAZ
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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