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SL-16 R/B (17974)
COSPAR: 1987-041B | Alt Name: Zenit-2 58-403 Stage 2
Image
Additional Sources
Launch Details
Launch Date
May 13, 1987
Launch Site
Launch Pad
LC45/1
Launch Vehicle
Zenit-2
Orbital Elements
NORAD ID
17974
International Designator
1987-041B
Epoch
Sat, 04 Jul 2026 03:45:55 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
71.01°
Right Ascension
147.28°
Eccentricity
Calculating...
Argument of Perigee
18.07°
Period
101.58 min
Mean Motion
14.18 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SL-16 R/B
Alternative Name
Zenit-2 58-403 Stage 2
Type
Rocket Body
Status
Space Junk
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 17974U 87041B 26185.15689804 .00000174 00000-0 10889-3 0 9992
2 17974 71.0071 147.2753 0012983 18.0668 353.0515 14.17657788 24605
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
11.1
Diameter
3.9
Span
11.1
Dry Mass
9000
Launch Mass
9000
Shape
Cyl
Radar Cross Section
9.0503
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
11S772
Purpose
Unknown
Mission
Unknown
Manufacturer
YUZH
Life Expectancy
Unknown
Bus
11S772
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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