EUTELSAT 172B
Europe's first high-power all-electric telecom satellite doesn't just sit above the Pacific - it got there on robotic arms and plasma thrusters, broke records doing it, and now keeps your airplane Wi-Fi running between LA and Tokyo.
COSMOS 81 (01571)
COSPAR: 1965-070B | Alt Name: Kosmos-81
Image
Additional Sources
Launch Details
Launch Date
September 3, 1965
Launch Site
Launch Pad
LC41/15
Launch Vehicle
Kosmos 65S3
Orbital Elements
NORAD ID
01571
International Designator
1965-070B
Epoch
Sat, 04 Jul 2026 03:53:41 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
56.06°
Right Ascension
155.70°
Eccentricity
Calculating...
Argument of Perigee
111.00°
Period
115.30 min
Mean Motion
12.49 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
COSMOS 81
Alternative Name
Kosmos-81
Type
Payload
Status
Unknown
Owner
OKB10
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 01571U 65070B 26185.16228542 -.00000099 00000-0 -19336-4 0 9990
2 01571 56.0574 155.7046 0089486 111.0032 271.0011 12.48868282774744
Source: Celestrak
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
0.8
Diameter
0.8
Span
0.8
Dry Mass
50
Launch Mass
50
Shape
Poly
Radar Cross Section
0.3453
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Strela-1
Purpose
Military Communication
Mission
Military Communication
Manufacturer
OKB10
Life Expectancy
Unknown
Bus
Strela-1 11F610
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, batteries (all); additional RTG (K 83, 90)
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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