RADIO 3 (12997)

COSPAR: 1981-120A | Alt Name: Radio RS-3

Image
RADIO 3 Satellite Image
Additional Sources
Launch Details

Launch Date

December 17, 1981

Launch Site

PLMSC

Launch Pad

LC132/2

Launch Vehicle

Kosmos 11K65M

Orbital Elements

NORAD ID

12997

International Designator

1981-120A

Epoch

Sat, 04 Jul 2026 03:28:23 GMT

Apogee

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Perigee

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Inclination

82.96°

Right Ascension

254.85°

Eccentricity

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Argument of Perigee

228.83°

Period

118.43 min

Mean Motion

12.16 rev/day

Latitude

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Longitude

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Altitude

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Velocity

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Polar Plot
3D Visualization
Basic Satellite Info

Name

RADIO 3

Alternative Name

Radio RS-3

Type

Payload

Status

Unknown

Owner

NPOPM/MAIO

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 12997U 81120A   26185.14472023  .00000053  00000-0  44687-3 0  9995
2 12997  82.9583 254.8475 0057654 228.8295 156.6207 12.15872252976760

Source: Celestrak

Summary
RADIO 3 (also known as Radio RS-3) is an amateur radio communication satellite with NORAD ID 12997 and OBJECT_ID 1981-120A. Launched on December 17, 1981, from the Plesetsk Cosmodrome LC132/2 launch pad aboard a Kosmos 11K65M launch vehicle by NPOPM/MAIO, it has a bus configuration of Strela-1M and is owned by its manufacturer. The satellite measures 0.8 meters in length, diameter, and span with a dry mass of 70 kg. It uses solar cells and batteries for power and was designed for one year of operation. Its purpose and payload are focused on amateur radio communication. The satellite has a polyhedral shape with a radar cross-section (RCS) value of 0.807 square meters.
Physical Characteristics

Length

0.8

Diameter

0.8

Span

0.8

Dry Mass

70

Launch Mass

70

Shape

Poly

Radar Cross Section

0.807

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

RS-3

Purpose

Amateur radio communication

Mission

Amateur radio communication

Manufacturer

NPOPM/MAIO

Life Expectancy

1 year

Bus

Strela-1M

Configuration

Unknown

Motor

None

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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