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PROGRESS-M 21 (22975)
COSPAR: 1994-005A | Alt Name: Progress M-21
DECAYED
Image
Additional Sources
Launch Details
Launch Date
January 28, 1994
Launch Site
Launch Pad
LC1
Launch Vehicle
Soyuz-U
Orbital Elements
NORAD ID
22975
International Designator
1994-005A
Decay Date
3/23/1994
Basic Satellite Info
Name
PROGRESS-M 21
Alternative Name
Progress M-21
Type
Payload
Status
Decayed
Owner
RKKE
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
PROGRESS-M 21 (also known as Progress M-21) is a cargo spacecraft manufactured by RKKE and launched on January 28, 1994, from the TYSMC launch site using Soyuz-U as the launch vehicle. It has a length of 7.9 meters, a diameter of 2.7 meters, and a span also measuring 7.9 meters. The dry mass is recorded at 4500 kilograms with an initial launch mass of 7130 kilograms. Equipped with two deployable fixed solar arrays and batteries for power generation, the satellite's primary mission was to deliver cargo to space stations. Its shape consists of a sphere, cone, cylinder, and pan sections. The spacecraft is powered by KTDU-80 (S5.80) motors and has an RCS value of 1.06. It serves as a critical component for logistics in space operations.
Physical Characteristics
Length
7.9
Diameter
2.7
Span
7.9
Dry Mass
4500
Launch Mass
7130
Shape
Sphere + Cone + Cyl + Pan
Radar Cross Section
1.06
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Progress 7K-TGM No. 221
Purpose
Cargo
Mission
Cargo
Manufacturer
RKKE
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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