Space Brief 10 Sep 2025
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COSMOS 1999 (19790)
COSPAR: 1989-009F | Alt Name: Kosmos-1999
Image
Additional Sources
Launch Details
Launch Date
February 10, 1989
Launch Site
PLMSC
Launch Pad
LC32/1
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
19790
International Designator
1989-009F
Epoch
Sat, 04 Jul 2026 03:16:40 GMT
Apogee
Calculating...
Perigee
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Inclination
82.62°
Right Ascension
315.91°
Eccentricity
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Argument of Perigee
180.89°
Period
113.77 min
Mean Motion
12.66 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 1999
Alternative Name
Kosmos-1999
Type
Payload
Status
Unknown
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 19790U 89009F 26185.13657979 .00000022 00000-0 61519-4 0 9991
2 19790 82.6204 315.9070 0019765 180.8916 352.9164 12.65751379727390
Source: Celestrak
Summary
COSMOS 1999, also known as Kosmos-1999, is a military communication satellite launched on February 10, 1989, from the PLMSC launch site using LC32/1 with a Tsiklon-3 launch vehicle. The satellite, manufactured by NPOPM and designed for military communication purposes, measures 1.6 meters in length, has a diameter of 0.8 meters, and features an antenna span of 7 meters. It has a dry mass and launch mass both at 225 kilograms, powered by solar cells and batteries. The satellite's shape is cylindrical with antennas, and its radar cross-section (RCS) is measured at 0.984 square meters.
Physical Characteristics
Length
1.6
Diameter
0.8
Span
7
Dry Mass
225
Launch Mass
225
Shape
Cyl + Ant
Radar Cross Section
0.984
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Strela-3
Purpose
Military Communication
Mission
Military Communication
Manufacturer
NPOPM
Life Expectancy
Unknown
Bus
Strela-3
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, 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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