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COSMOS 1305 (12818)
COSPAR: 1981-088A | Alt Name: Kosmos-1305
Image
Additional Sources
Launch Details
Launch Date
September 11, 1981
Launch Site
PLMSC
Launch Pad
LC43/3
Launch Vehicle
Molniya 8K78M
Orbital Elements
NORAD ID
12818
International Designator
1981-088A
Epoch
Fri, 03 Jul 2026 10:01:23 GMT
Apogee
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Perigee
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Inclination
62.80°
Right Ascension
342.95°
Eccentricity
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Argument of Perigee
271.38°
Period
263.60 min
Mean Motion
5.46 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 1305
Alternative Name
Kosmos-1305
Type
Payload
Status
Unknown
Owner
NPOPM/MSVYAZ
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 12818U 81088A 26184.41762922 -.00000001 00000-0 11717-3 0 9991
2 12818 62.7958 342.9454 4901402 271.3765 35.3223 5.46281124893642
Source: Celestrak
Summary
COSMOS 1305 (also known as Kosmos-1305) is a communication satellite launched on September 11, 1981, from the PLMSC launch site using LC43/3 and the Molniya 8K78M launch vehicle. The satellite has dimensions of 3.6 meters in length and 1.6 meters in diameter with an 8.1 meter span. It was manufactured by NPOPM and owned by NPOPM/MSVYAZ, equipped with a dry mass of 1700 kilograms and a launch mass of 1750 kilograms. The satellite is configured as KAUR-2 under the Molniya-3 bus design and carries a payload designated as Molniya-3 No. 28L. Its power generation relies on six deployable solar arrays providing a total capacity of 1000 watts, along with batteries for energy storage. The communication satellite has an estimated operational lifetime of three years and employs KDU-414A (S5.114) or 11D414NS motor systems. It features a cylindrical shape complemented by six panels and has a radar cross-section area (RCS) of 11.3425 square meters.
Physical Characteristics
Length
3.6
Diameter
1.6
Span
8.1
Dry Mass
1700
Launch Mass
1750
Shape
Cyl + 6 Pan
Radar Cross Section
11.3425
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Molniya-3 No. 28L
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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