COSMOS 2147 (21303)

COSPAR: 1991-033E | Alt Name: Kosmos-2147

Image
COSMOS 2147 Satellite 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

21303

International Designator

1991-033E

Epoch

Sat, 04 Jul 2026 03:51:45 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

82.57°

Right Ascension

264.32°

Eccentricity

Calculating...

Argument of Perigee

326.43°

Period

113.82 min

Mean Motion

12.65 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

COSMOS 2147

Alternative Name

Kosmos-2147

Type

Payload

Status

Unknown

Owner

UNKSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 21303U 91033E   26185.16094051  .00000030  00000-0  10206-3 0  9998
2 21303  82.5659 264.3227 0018049 326.4305  58.0021 12.65166292622294

Source: Celestrak

Summary
COSMOS 2147 (also known as Kosmos-2147) is a military communication satellite launched on May 16, 1991, from the Plesetsk Cosmodrome LC32/2 launch pad using the Tsiklon-3 launch vehicle. The spacecraft has a Strela-3 configuration and was manufactured by NPOPM for military communication purposes. It measures 1.6 meters in length, with a diameter of 0.8 meters and a span of 7 meters, and had a dry mass of 225 kilograms at launch. Its power source includes solar cells and batteries. The satellite's shape is described as cylindrical with antennas, and it has an RCS (Reflective Cross Section) value of 1.0502.
Physical Characteristics

Length

1.6

Diameter

0.8

Span

7

Dry Mass

225

Launch Mass

225

Shape

Cyl + Ant

Radar Cross Section

1.0502

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
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 31 Oct 2025

X Report 31 Oct 2025

SpaceX prepares for its 100th Starlink launch while refining its lunar lander design for NASA's Artemis program amidst calls for architectural changes.

Atlas 5 551 Flies Last Mission for Amazon Kuiper | KeepTrack Space Brief

Atlas 5 551 Flies Last Mission for Amazon Kuiper | KeepTrack Space Brief

ULA launched Atlas 5 551 configuration for final time on July 1, deploying Amazon Kuiper broadband satellites. New Glenn pad rebuild underway at LC-36 after May explosion.

X Report 26 Aug 2025

X Report 26 Aug 2025

SpaceX's ongoing challenges with the Starship Flight 10 launch are prominent today, as weather and technical issues continue to push back the schedule. Meanwhile, successful cargo missions to the ISS highlight the company's ongoing commitment to space operations.

Boeing Starliner Grounded Until Mid-2027, NASA Warns | KeepTrack Space Brief

Boeing Starliner Grounded Until Mid-2027, NASA Warns | KeepTrack Space Brief

Boeing CST-100 Starliner faces up to one year delay before return-to-flight. NASA safety panel cites unresolved technical problems since mid-2024 crewed test.

Space Brief 4 Nov 2025

Space Brief 4 Nov 2025

Today's brief covers China's new GEO Yaogan satellite launch, India's record-mass commsat, military tech updates, autonomous systems for maritime security, and insights from satellite imagery of Hurricane Melissa's impact in Jamaica.

The Day Space Became Crowded

The Day Space Became Crowded

Eight years ago, a single Indian rocket launched 104 satellites into orbit, marking a pivotal moment when space tracking professionals realized the dawn of a new, congested era in orbital operations

X Report 7 Jun 2025

X Report 7 Jun 2025

SpaceX successfully launched the SXM-10 satellite for SiriusXM and prepares for the Ax-4 mission to the ISS amid political tensions involving Elon Musk and President Trump.

Van Allen Probe A Reenters After 14 Years; NASA Designates Starliner Type A Mishap | KeepTrack Space Brief

Van Allen Probe A Reenters After 14 Years; NASA Designates Starliner Type A Mishap | KeepTrack Space Brief

NASA's 590 kg Van Allen Probe A reentered March 10 after 14 years studying Earth's radiation belts. Meanwhile, Boeing Starliner classified as Type A mishap after leaving astronauts stranded on ISS.