X Report 19 Jun 2025
Today's report highlights a catastrophic failure during Starship preparations, significant advancements in Starlink services in Ukraine and India, and the successful launch of 28 Starlink satellites.
COSMOS 1690 (16138)
COSPAR: 1985-094A | Alt Name: Kosmos-1690
Image
Additional Sources
Launch Details
Launch Date
October 9, 1985
Launch Site
PLMSC
Launch Pad
LC32/1
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
16138
International Designator
1985-094A
Epoch
Sat, 04 Jul 2026 00:53:14 GMT
Apogee
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Perigee
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Inclination
82.61°
Right Ascension
210.28°
Eccentricity
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Argument of Perigee
254.69°
Period
113.73 min
Mean Motion
12.66 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 1690
Alternative Name
Kosmos-1690
Type
Payload
Status
Unknown
Owner
GUKOS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 16138U 85094A 26185.03697260 .00000020 00000-0 50726-4 0 9996
2 16138 82.6052 210.2772 0020481 254.6875 132.5694 12.66106861882125
Source: Celestrak
Summary
COSMOS 1690 (also known as Kosmos-1690) is a military communication satellite launched on October 9, 1985, from the Plesetsk Cosmodrome Launch Pad LC32/1 using the Tsiklon-3 launch vehicle. The spacecraft has a cylindrical shape with antennas and measures 1.6 meters in length, 0.8 meters in diameter, and spans up to 7 meters. It carries a Strela-3 payload and was manufactured by NPOPM for GUKOS, the Soviet Union's Main Directorate of Space Forces. The satellite has a dry mass of 225 kilograms and uses solar cells along with batteries for power generation. Its radar cross-section is recorded as 1.1019 square meters.
Physical Characteristics
Length
1.6
Diameter
0.8
Span
7
Dry Mass
225
Launch Mass
225
Shape
Cyl + Ant
Radar Cross Section
1.1019
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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