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MOLNIYA 3-20 (13875)
COSPAR: 1983-015A | Alt Name: Molniya-3
Image
Additional Sources
Launch Details
Launch Date
March 11, 1983
Launch Site
PLMSC
Launch Pad
LC41/1
Launch Vehicle
Molniya 8K78M
Orbital Elements
NORAD ID
13875
International Designator
1983-015A
Epoch
Wed, 01 Jul 2026 23:56:50 GMT
Apogee
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Perigee
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Inclination
61.96°
Right Ascension
144.18°
Eccentricity
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Argument of Perigee
271.75°
Period
718.34 min
Mean Motion
2.00 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
MOLNIYA 3-20
Alternative Name
Molniya-3
Type
Payload
Status
Unknown
Owner
NPOPM/MSVYAZ
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 13875U 83015A 26182.99780433 .00001296 00000+0 00000+0 0 9999
2 13875 61.9608 144.1764 7113039 271.7537 15.4507 02.00463426253312
Source: Celestrak
Summary
MOLNIYA 3-20 (also known as Molniya-3) is a communication satellite launched on March 11, 1983, from the PLMSC launch site using LC41/1 pad and the Molniya 8K78M launch vehicle. It was manufactured by NPOPM for the mission of communication and operated under the ownership of NPOPM/MSVYAZ. The satellite has a dry mass of 1700 kg, with dimensions including a length of 3.6 meters, diameter of 1.6 meters, and span of 8.1 meters. It is equipped with six deployable solar arrays that provide 1000 W power alongside batteries. The satellite's shape consists of a cylinder with six panels and its configuration is KAUR-2. MOLNIYA 3-20 had a motor type of KDU-414A (S5.114) or 11D414NS, and it was designed to operate for approximately three years in orbit.
Physical Characteristics
Length
3.6
Diameter
1.6
Span
8.1
Dry Mass
1700
Launch Mass
1750
Shape
Cyl + 6 Pan
Radar Cross Section
15.4143
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Molniya-3 No. 34L
Purpose
Communication
Mission
Communication
Manufacturer
NPOPM
Life Expectancy
3 years
Bus
Molniya-3
Configuration
KAUR-2
Motor
KDU-414A (S5.114) or 11D414NS
Equipment
Unknown
Power System
6 deployable solar arrays (1000 W), 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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