COSMOS 2166 (21780)

COSPAR: 1991-077B | Alt Name: Kosmos-2166

Image

Additional Sources

Launch Details

Launch Date

November 12, 1991

Launch Site

PLMSC

Launch Pad

LC32/1

Launch Vehicle

Tsiklon-3

Orbital Elements

NORAD ID

21780

International Designator

1991-077B

Epoch

Sat, 04 Jul 2026 01:21:08 GMT

Apogee

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Perigee

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Inclination

82.60°

Right Ascension

235.54°

Eccentricity

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Argument of Perigee

114.99°

Period

113.97 min

Mean Motion

12.63 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

COSMOS 2166

Alternative Name

Kosmos-2166

Type

Payload

Status

Unknown

Owner

UNKSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 21780U 91077B   26185.05635031  .00000018  00000-0  42394-4 0  9992

2 21780  82.5972 235.5444 0004673 114.9854 262.6713 12.63449373597305

Source: Celestrak

Summary

COSMOS 2166 (also known as Kosmos-2166) is a military communication satellite launched on November 12, 1991, from the PLMSC launch site using LC32/1 and a Tsiklon-3 launch vehicle. The spacecraft has dimensions of 1.6 meters in length, 0.8 meters in diameter, and an antenna span of 7 meters. It was manufactured by NPOPM with a dry mass of 225 kilograms and the same launch mass. Equipped with Strela-3 technology for its payload and powered by solar cells and batteries, COSMOS 2166 serves military communication purposes. The satellite has a shape described as cylindrical with antennas and a radar cross-section (RCS) value of 1.1062 square meters.

Physical Characteristics

Length

1.6

Diameter

0.8

Span

Dry Mass

225

Launch Mass

225

Shape

Cyl + Ant

Radar Cross Section

1.1062

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Strela-3

Purpose

Military Communication

Mission

Military Communication

Manufacturer

NPOPM

Life Expectancy

Unknown

Bus

Strela-3

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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