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PROGRESS-M 4 (20752)
COSPAR: 1990-072A | Alt Name: Progress M-4
DECAYED
Image
Additional Sources
Launch Details
Launch Date
August 15, 1990
Launch Site
Launch Pad
LC1
Launch Vehicle
Soyuz-U2
Orbital Elements
NORAD ID
20752
International Designator
1990-072A
Decay Date
9/20/1990
Basic Satellite Info
Name
PROGRESS-M 4
Alternative Name
Progress M-4
Type
Payload
Status
Decayed
Owner
NPOE
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
PROGRESS-M 4, also known as Progress M-4, is a cargo spacecraft with the NORAD Catalog ID 20752 and OBJECT_ID 1990-072A. Launched on August 15, 1990, from the Tyuratam Site (TYMSC) Launch Pad LC1 using the Soyuz-U2 launch vehicle, it was manufactured by NPOE in the Soviet Union for cargo missions. The spacecraft has dimensions of 7.9 meters in length and span with a diameter of 2.7 meters, featuring a dry mass of 4500 kg and a launch mass of 7294 kg. It is powered by two deployable fixed solar arrays and batteries and uses the KTDU-80 (S5.80) motor for propulsion. The shape of the satellite is described as a combination of sphere, cone, cylinder, and pan elements. Its mission was to deliver cargo using the Progress 7K-TGM No. 204 payload.
Physical Characteristics
Length
7.9
Diameter
2.7
Span
7.9
Dry Mass
4500
Launch Mass
7294
Shape
Sphere + Cone + Cyl + Pan
Radar Cross Section
165.72
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Progress 7K-TGM No. 204
Purpose
Cargo
Mission
Cargo
Manufacturer
NPOE
Life Expectancy
Unknown
Bus
7K-TGM
Configuration
Unknown
Motor
KTDU-80 (S5.80)
Equipment
Unknown
Power System
2 deployable fixed solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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