PROGRESS 21 (14961)

COSPAR: 1984-042A | Alt Name: Progress-21
DECAYED

Image
PROGRESS 21 Satellite Image
Additional Sources
Launch Details

Launch Date

May 7, 1984

Launch Pad

LC31

Launch Vehicle

Soyuz-U

Orbital Elements

NORAD ID

14961

International Designator

1984-042A

Decay Date

5/26/1984

Basic Satellite Info

Name

PROGRESS 21

Alternative Name

Progress-21

Type

Payload

Status

Decayed

Owner

NPOE

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Summary
PROGRESS 21, also known as Progress-21, is a cargo satellite manufactured by NPOE and was launched on May 7, 1984, from the TYSMC launch site at LC31 using a Soyuz-U launch vehicle. It has a shape described as Sphere + Cone + Cyl + Pan with dimensions of 7.9 meters in length and diameter, and a span of 7.9 meters. The satellite's dry mass is 4800 kg, and it had a launch mass of 7250 kg. PROGRESS 21 was equipped with KTDU-80 motors for propulsion and its power source consisted of batteries. Its primary mission purpose was to deliver cargo.
Physical Characteristics

Length

7.9

Diameter

2.7

Span

7.9

Dry Mass

4800

Launch Mass

7250

Shape

Sphere + Cone + Cyl + Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Progress 7K-TG No. 116

Purpose

Cargo

Mission

Cargo

Manufacturer

NPOE

Life Expectancy

Unknown

Bus

7K-TG

Configuration

Unknown

Motor

KTDU-80

Equipment

Unknown

Power System

Batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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