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COSMOS 1900 (18665)
COSPAR: 1987-101A | Alt Name: Kosmos-1900
Image
Additional Sources
Launch Details
Launch Date
December 12, 1987
Launch Site
Launch Pad
LC90
Launch Vehicle
Tsiklon-2
Orbital Elements
NORAD ID
18665
International Designator
1987-101A
Epoch
Sat, 04 Jul 2026 04:08:14 GMT
Apogee
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Perigee
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Inclination
66.09°
Right Ascension
339.01°
Eccentricity
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Argument of Perigee
85.18°
Period
98.92 min
Mean Motion
14.56 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
COSMOS 1900
Alternative Name
Kosmos-1900
Type
Payload
Status
Unknown
Owner
VMF
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 18665U 87101A 26185.17239396 .00000111 00000-0 48701-4 0 9992
2 18665 66.0851 339.0146 0025705 85.1813 275.2227 14.55668552 50958
Source: Celestrak
Summary
COSMOS 1900, also known as Kosmos-1900, is an ocean surveillance satellite equipped with active radar and powered by a BES-5 nuclear reactor. Launched on December 12, 1987, from the TYSMC site LC90 using a Tsiklon-2 launch vehicle, it was manufactured by KOMET/ARSL for VMF (Soviet Navy). The satellite has dimensions of 5.8 meters in length and diameter with a span of 5.8 meters, and weighs 1154 kg at launch and dry mass. It is cylindrical in shape with a radar equipment payload known as US-AM No. 403 ROCh, designed for ocean surveillance tasks. The satellite reached its stable date on September 30, 1988.
Physical Characteristics
Length
5.8
Diameter
1.3
Span
5.8
Dry Mass
1154
Launch Mass
1154
Shape
Cyl
Radar Cross Section
2.8438
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
US-AM No. 403 ROCh
Purpose
Ocean surveillance, active radar
Mission
Ocean surveillance, active radar
Manufacturer
KOMET/ARSL
Life Expectancy
Unknown
Bus
US-A reactor
Configuration
US-Bus
Motor
Unknown
Equipment
Radar
Power System
BES-5 nuclear reactor
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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