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COSMOS 1844 (17973)
COSPAR: 1987-041A | Alt Name: Kosmos-1844
Image
Additional Sources
Launch Details
Launch Date
May 13, 1987
Launch Site
Launch Pad
LC45/1
Launch Vehicle
Zenit-2
Orbital Elements
NORAD ID
17973
International Designator
1987-041A
Epoch
Sat, 04 Jul 2026 03:34:47 GMT
Apogee
Calculating...
Perigee
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Inclination
70.90°
Right Ascension
148.53°
Eccentricity
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Argument of Perigee
210.88°
Period
101.80 min
Mean Motion
14.15 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
COSMOS 1844
Alternative Name
Kosmos-1844
Type
Payload
Status
Unknown
Owner
GRU
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 17973U 87041A 26185.14916126 .00000407 00000-0 23580-3 0 9991
2 17973 70.8981 148.5282 0032003 210.8831 149.0410 14.14573879 20058
Source: Celestrak
Summary
COSMOS 1844 (also known as Kosmos-1844) is a SIGINT satellite launched on May 13, 1987, from the TYMSC launch site using LC45/1 and a Zenit-2 launch vehicle. It was manufactured by YUZH and owned by GRU. The spacecraft measures 4.5 meters in length with a diameter of 1.4 meters and a span of 22.7 meters, and has a dry mass of 3,250 kg. Its power system includes two deployable solar arrays and batteries. COSMOS 1844 is equipped with the Tselina-2 No. 4L payload for SIGINT purposes. The satellite's shape consists of a cylinder with two panels and an antenna. It had a lifetime of approximately one year.
Physical Characteristics
Length
4.5
Diameter
1.4
Span
22.7
Dry Mass
3250
Launch Mass
3250
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
15.0575
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tselina-2 No. 4L
Purpose
SIGINT
Mission
SIGINT
Manufacturer
YUZH
Life Expectancy
1 year
Bus
Tselina-2
Configuration
Unknown
Motor
?
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
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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