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COSMOS 1766 (16881)
COSPAR: 1986-055A | Alt Name: Kosmos-1766
Image
Additional Sources
Launch Details
Launch Date
July 28, 1986
Launch Site
PLMSC
Launch Pad
LC32/2
Launch Vehicle
Tsiklon-3
Orbital Elements
NORAD ID
16881
International Designator
1986-055A
Epoch
Sat, 04 Jul 2026 04:09:16 GMT
Apogee
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Perigee
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Inclination
82.49°
Right Ascension
346.75°
Eccentricity
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Argument of Perigee
113.50°
Period
92.51 min
Mean Motion
15.57 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 1766
Alternative Name
Kosmos-1766
Type
Payload
Status
Unknown
Owner
GMS/YUZH
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 16881U 86055A 26185.17310747 .00038205 00000-0 53383-3 0 9993
2 16881 82.4874 346.7484 0006866 113.4983 246.6993 15.56650414161699
Source: Celestrak
Summary
COSMOS 1766 (also known as Kosmos-1766) is an ocean observation satellite launched on July 28, 1986, from the Plesetsk Cosmodrome's LC32/2 pad using a Tsiklon-3 launch vehicle. It was manufactured by YUZH and operated under GMS/YUZH ownership. The spacecraft has dimensions of 5 meters in length and 2.4 meters in diameter with a span of 21.5 meters, featuring solar arrays for power and various equipment including RLSBO (3.2 cm), RM-0.8, MWP (3.2 cm), RTVK, MSU-SK, and Kondor systems. COSMOS 1766 has a dry mass of 1931 kg, the same as its launch mass, and a radar cross-section of 8.2879 m². Its shape is described as cylindrical with two panels and antennas. The satellite was designed for a two-year operational lifetime.
Physical Characteristics
Length
5
Diameter
2.4
Span
21.5
Dry Mass
1931
Launch Mass
1931
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
8.2879
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Okean-O1 No. 1L
Purpose
Ocean Observation
Mission
Ocean Observation
Manufacturer
YUZH
Life Expectancy
2 years
Bus
Okean
Configuration
Unknown
Motor
Unknown
Equipment
RLSBO (3.2 cm), RM-0.8, MWP (3.2 cm), RTVK, MSU-SK, Kondor
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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