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SL-3 R/B (18961)
COSPAR: 1988-021B | Alt Name: Vostok-2M (N92) Stage 3
Image
Additional Sources
Launch Details
Launch Date
March 17, 1988
Launch Site
Launch Pad
LC31
Launch Vehicle
Vostok 8A92M
Orbital Elements
NORAD ID
18961
International Designator
1988-021B
Epoch
Sat, 04 Jul 2026 02:01:41 GMT
Apogee
Calculating...
Perigee
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Inclination
98.88°
Right Ascension
239.69°
Eccentricity
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Argument of Perigee
124.48°
Period
102.80 min
Mean Motion
14.01 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-3 R/B
Alternative Name
Vostok-2M (N92) Stage 3
Type
Rocket Body
Status
Space Junk
Owner
RVSN
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 18961U 88021B 26185.08451337 .00000436 00000-0 31675-3 0 9995
2 18961 98.8776 239.6914 0054745 124.4811 265.5706 14.00783702957949
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
3.8
Diameter
2.6
Span
3.8
Dry Mass
1440
Launch Mass
1440
Shape
Cyl
Radar Cross Section
6.0769
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
8A92ME
Purpose
Unknown
Mission
Unknown
Manufacturer
PROG
Life Expectancy
Unknown
Bus
Blok-E
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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