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COSMOS 1249 FUEL CORE (12551)
COSPAR: 1981-021C | Alt Name: Kosmos-1249 reactor core
Image
Additional Sources
Launch Details
Launch Date
March 5, 1981
Launch Site
Launch Pad
LC90
Launch Vehicle
Tsiklon-2
Orbital Elements
NORAD ID
12551
International Designator
1981-021C
Epoch
Sat, 04 Jul 2026 05:43:33 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
64.96°
Right Ascension
168.25°
Eccentricity
Calculating...
Argument of Perigee
216.08°
Period
103.56 min
Mean Motion
13.91 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
COSMOS 1249 FUEL CORE
Alternative Name
Kosmos-1249 reactor core
Type
Debris
Status
Space Junk
Owner
VMF
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 12551U 81021C 26185.23858080 -.00000097 00000-0 -50469-5 0 9999
2 12551 64.9641 168.2537 0050731 216.0823 143.6813 13.90550833303847
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
0.5
Diameter
0.2
Span
0.5
Dry Mass
53
Launch Mass
53
Shape
Cyl
Radar Cross Section
0.1546
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
US-A reactor core
Purpose
Unknown
Mission
Unknown
Manufacturer
KOMET
Life Expectancy
Unknown
Bus
US-A core
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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