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SOYUZ-TM 4 (18699)
COSPAR: 1987-104A | Alt Name: Soyuz TM-4
DECAYED
Image
Additional Sources
Launch Details
Launch Date
December 21, 1987
Launch Site
Launch Pad
LC1
Launch Vehicle
Soyuz-U2
Orbital Elements
NORAD ID
18699
International Designator
1987-104A
Decay Date
6/17/1988
Basic Satellite Info
Name
SOYUZ-TM 4
Alternative Name
Soyuz TM-4
Type
Payload
Status
Decayed
Owner
NPOE
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
SOYUZ-TM 4, also known as Soyuz TM-4, is a crewed spacecraft launched on December 21, 1987, from the Tyuratam (Baikonur) launch site using a Soyuz-U2 launch vehicle from Launch Pad LC1. The satellite has a bus configuration of 7K-STM and was manufactured by NPOE. It measures 7.2 meters in length with a diameter of 2.2 meters, spanning up to 10.6 meters. The spacecraft has a dry mass of 2850 kg and carries the payload Soyuz 7K-STM No. 54. Its power system consists of two deployable fixed solar arrays and batteries. SOYUZ-TM 4 is designed for crewed missions with a shape described as Sphere + Cone + Cyl + 2 Pan, and it uses KTDU-80 (S5.80) motors for propulsion. The satellite was stabilized in space by December 21, 1987, at 1126:48 UTC and has an RCS of 604.06.
Physical Characteristics
Length
7.2
Diameter
2.2
Span
10.6
Dry Mass
2850
Launch Mass
2850
Shape
Sphere + Cone + Cyl + 2 Pan
Radar Cross Section
604.06
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Soyuz 7K-STM No. 54
Purpose
Crewed spacecraft
Mission
Crewed spacecraft
Manufacturer
NPOE
Life Expectancy
Unknown
Bus
7K-STM
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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