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COSMOS 1998 (19789)
COSPAR: 1989-009E | Alt Name: Kosmos-1998
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
19789
International Designator
1989-009E
Epoch
Sat, 04 Jul 2026 01:54:04 GMT
Apogee
Calculating...
Perigee
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Inclination
82.61°
Right Ascension
320.71°
Eccentricity
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Argument of Perigee
239.94°
Period
113.84 min
Mean Motion
12.65 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 1998
Alternative Name
Kosmos-1998
Type
Payload
Status
Unknown
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 19789U 89009E 26185.07921897 .00000031 00000-0 11142-3 0 9991
2 19789 82.6134 320.7095 0015161 239.9413 120.0176 12.64934554726152
Source: Celestrak
Summary
COSMOS 1998 (also known as Kosmos-1998) is a military communication satellite launched on February 10, 1989, from the Plesetsk Cosmodrome LC32/1 launch pad using the Tsiklon-3 launch vehicle. The satellite has dimensions of 1.6 meters in length and 0.8 meters in diameter with an antenna span of 7 meters. It weighs 225 kilograms both at launch and dry mass, indicating it does not carry propellant or consumables after deployment. COSMOS 1998 is equipped with solar cells and batteries for power supply and has a reflective surface area (RCS) of 1.0352 square meters. Its shape consists of a cylinder with antennas attached. The satellite was manufactured by NPOPM, the scientific production association progress machine-building enterprise, under Soviet Union ownership, and is part of the Strela-3 constellation for military communication purposes.
Physical Characteristics
Length
1.6
Diameter
0.8
Span
7
Dry Mass
225
Launch Mass
225
Shape
Cyl + Ant
Radar Cross Section
1.0352
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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