COSMOS 2170 (21784)

COSPAR: 1991-077F | Alt Name: Kosmos-2170

Image
COSMOS 2170 Satellite 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

21784

International Designator

1991-077F

Epoch

Fri, 03 Jul 2026 15:33:45 GMT

Apogee

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Perigee

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Inclination

82.61°

Right Ascension

258.60°

Eccentricity

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Argument of Perigee

233.61°

Period

114.05 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 2170

Alternative Name

Kosmos-2170

Type

Payload

Status

Unknown

Owner

UNKSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 21784U 91077F   26184.64844056  .00000041  00000-0  16729-3 0  9997
2 21784  82.6079 258.5987 0001488 233.6137 293.8452 12.62588045596156

Source: Celestrak

Summary
COSMOS 2170, also known as Kosmos-2170, is a military communication satellite that was launched on November 12, 1991, from the PLMSC launch site using LC32/1 and the Tsiklon-3 launch vehicle. The satellite has dimensions of 1.6 meters in length, 0.8 meters in diameter, and spans 7 meters when fully deployed. It features a cylindrical body with antennas attached, weighing 225 kilograms both at launch and dry mass. Equipped with solar cells and batteries for power, the spacecraft was manufactured by NPOPM and its primary purpose is military communication under an unknown owner (UNKSR). The satellite's bus system is of the Strela-3 type, and it has a radar cross-section of 1.0192 square meters.
Physical Characteristics

Length

1.6

Diameter

0.8

Span

7

Dry Mass

225

Launch Mass

225

Shape

Cyl + Ant

Radar Cross Section

1.0192

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

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