X Report 14 Sep 2025
SpaceX successfully launched its 300th Starlink mission, deploying 24 new satellites to further expand its internet service coverage worldwide.
RADUGA 4 (10987)
COSPAR: 1978-073A | Alt Name: Raduga
Image
Additional Sources
Launch Details
Launch Date
July 18, 1978
Launch Site
Launch Pad
LC200/40
Launch Vehicle
Proton-K/DM
Orbital Elements
NORAD ID
10987
International Designator
1978-073A
Epoch
Sat, 04 Jul 2026 04:02:13 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
4.74°
Right Ascension
278.38°
Eccentricity
Calculating...
Argument of Perigee
35.88°
Period
1437.16 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
RADUGA 4
Alternative Name
Raduga
Type
Payload
Status
Non-operational
Owner
GUKOSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 10987U 78073A 26185.16821049 -.00000171 00000-0 00000-0 0 9993
2 10987 4.7431 278.3801 0010576 35.8797 115.3373 1.00197470119770
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
5.5
Diameter
2.5
Span
9.5
Dry Mass
1800
Launch Mass
1965
Shape
Step Cyl + 2 Pan
Radar Cross Section
1
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Gran' No. 14L
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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