Space Brief 14 May 2025
Today's edition covers China's latest launches in their classified satellite programs, ongoing discussions in the U.S. Senate on missile defense, and the ever-escalating space debris crisis threatening national security.
COSMOS 1758 (16791)
COSPAR: 1986-046A | Alt Name: Kosmos-1758
Image
Additional Sources
Launch Details
Launch Date
June 12, 1986
Launch Site
PLMSC
Launch Pad
LC32/1
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
16791
International Designator
1986-046A
Epoch
Fri, 03 Jul 2026 19:57:56 GMT
Apogee
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Perigee
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Inclination
82.46°
Right Ascension
26.33°
Eccentricity
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Argument of Perigee
286.35°
Period
94.29 min
Mean Motion
15.27 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 1758
Alternative Name
Kosmos-1758
Type
Payload
Status
Unknown
Owner
GRU
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 16791U 86046A 26184.83190021 .00007449 00000-0 27793-3 0 9998
2 16791 82.4582 26.3303 0012141 286.3493 73.6411 15.27171918183787
Source: Celestrak
Summary
COSMOS 1758 (also known as Kosmos-1758) is a SIGINT satellite with the NORAD catalog ID of 16791 and object identifier 1986-046A, manufactured by YUZH for the GRU. Launched on June 12, 1986, from Launch Pad LC32/1 at the PLMSC site using a Tsiklon-3 launch vehicle, it measures approximately 3.2 meters in length and has a diameter of 1.3 meters with an overall span of 13.1 meters when its deployable solar arrays are extended. The satellite's dry mass is recorded as 1750 kg, the same as its launch mass. It is equipped with two deployable solar arrays and batteries for power generation. Its mission is to conduct SIGINT (Signals Intelligence) operations. The satellite has a calculated radar cross-section of 7.2754 square meters and features a cylindrical shape complemented by antennas. COSMOS 1758 was operational for about six months post-launch.
Physical Characteristics
Length
3.2
Diameter
1.3
Span
13.1
Dry Mass
1750
Launch Mass
1750
Shape
Cyl + Ant
Radar Cross Section
7.2754
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Ikar No. 57L
Purpose
SIGINT
Mission
SIGINT
Manufacturer
YUZH
Life Expectancy
6 months
Bus
Tselina-D
Configuration
Unknown
Motor
Unknown
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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