COSMOS 2145 (21301)

COSPAR: 1991-033C | Alt Name: Kosmos-2145

Image

Additional Sources

Launch Details

Launch Date

May 16, 1991

Launch Site

PLMSC

Launch Pad

LC32/2

Launch Vehicle

Tsiklon-3

Orbital Elements

NORAD ID

21301

International Designator

1991-033C

Epoch

Sat, 04 Jul 2026 01:15:55 GMT

Apogee

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Perigee

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Inclination

82.57°

Right Ascension

296.46°

Eccentricity

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Argument of Perigee

58.02°

Period

113.99 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 2145

Alternative Name

Kosmos-2145

Type

Payload

Status

Unknown

Owner

UNKSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 21301U 91033C   26185.05273138  .00000032  00000-0  11817-3 0  9990

2 21301  82.5683 296.4568 0009217  58.0217 302.1770 12.63217238619633

Source: Celestrak

Summary

COSMOS 2145 (also known as Kosmos-2145) is a military communication satellite launched by the Soviet Union on May 16, 1991, from Plesetsk Cosmodrome's LC32/2 launch pad using the Tsiklon-3 launch vehicle. The spacecraft has dimensions of 1.6 meters in length and 0.8 meters in diameter with a span of 7 meters, suggesting it carries deployable solar arrays or antennas. It weighs 225 kilograms both at launch and dry mass. Manufactured by NPOPM (NPO Mashinostroyeniya), the satellite is part of the Strela-3 series, equipped with solar cells for power generation and batteries for energy storage. The satellite has a radar cross-section (RCS) value of 1.0598 square meters and has a cylindrical shape with antennas attached. It was launched on its mission date, May 16, 1991, which also marks the stable operational start date.

Physical Characteristics

Length

1.6

Diameter

0.8

Span

Dry Mass

225

Launch Mass

225

Shape

Cyl + Ant

Radar Cross Section

1.0598

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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