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RADUGA 27 (21132)
COSPAR: 1991-014A | Alt Name: Raduga
Image
Additional Sources
Launch Details
Launch Date
February 28, 1991
Launch Site
Launch Pad
LC81/23
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
21132
International Designator
1991-014A
Epoch
Fri, 03 Jul 2026 21:40:55 GMT
Apogee
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Perigee
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Inclination
13.32°
Right Ascension
336.74°
Eccentricity
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Argument of Perigee
319.41°
Period
1435.07 min
Mean Motion
1.00 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
RADUGA 27
Alternative Name
Raduga
Type
Payload
Status
Non-operational
Owner
UNKSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21132U 91014A 26184.90342166 -.00000363 00000-0 00000-0 0 9999
2 21132 13.3234 336.7365 0000493 319.4114 62.7286 1.00343610129482
Source: Celestrak
Summary
RADUGA 27, also known as Raduga, is a communication satellite that was launched on February 28, 1991, from the TYMSC launch site using LC81/23 and the Proton-K/DM-2 launch vehicle. With a dry mass of 1800 kg and equipped with two deployable solar arrays and batteries for power generation, it is part of the KAUR-3 configuration under the Raduga bus series manufactured by NPOPM. The satellite's dimensions are a length of 5.5 meters, diameter of 2.5 meters, and span of 9.5 meters. Its equipment includes 3 Delta-1 C-Band transponders and 3 Delta-2 C-Band transponders for communication purposes. The satellite's shape is described as Step Cyl + 2 Pan with a radar cross-section (RCS) of 3.1622, and it was designed to have an operational lifetime of three years.
Physical Characteristics
Length
5.5
Diameter
2.5
Span
9.5
Dry Mass
1800
Launch Mass
1965
Shape
Step Cyl + 2 Pan
Radar Cross Section
3.1622
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Gran' No. 38L
Purpose
Communication
Mission
Communication
Manufacturer
NPOPM
Life Expectancy
3 years
Bus
Raduga
Configuration
KAUR-3
Motor
Unknown
Equipment
3 Delta-1 C-Band transponders, 3 Delta-2 C-Band transponders
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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