COSMOS 2546 (45608)

COSPAR: 2020-031A | Alt Name: Kosmos-2546

Image
COSMOS 2546 Satellite Image
Additional Sources
Launch Details

Launch Date

May 22, 2020

Launch Site

PLMSC

Launch Pad

LC43/4

Launch Vehicle

Soyuz-2-1B

Orbital Elements

NORAD ID

45608

International Designator

2020-031A

Epoch

Wed, 03 Jun 2026 01:29:26 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

63.16°

Right Ascension

68.45°

Eccentricity

Calculating...

Argument of Perigee

266.22°

Period

717.81 min

Mean Motion

2.01 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

COSMOS 2546

Alternative Name

Kosmos-2546

Type

Payload

Status

Operational

Owner

VVKOV

Country

Russia

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 45608U 20031A   26154.06211682 -.00000157  00000-0  00000-0 0  9997
2 45608  63.1608  68.4486 7079346 266.2162  17.6858  2.00610370 44187

Source: Celestrak

Summary
COSMOS 2546, also known as Kosmos-2546, is an early warning and communication satellite launched by Russia on May 22, 2020, from the Plesetsk Cosmodrome using a Soyuz-2-1B launch vehicle. It has a box shape with two panels and measures 4 meters in length and 2 meters in diameter, with a span of 10 meters. The satellite's dry mass is 2,000 kilograms, and its launch mass was 2,550 kilograms. Equipped with deployable solar arrays and batteries for power supply, COSMOS 2546 has an expected lifetime of 7.5 years. It was manufactured by RKKE/KOMET under the USP Bus configuration and is operated by VVKOV. The payload includes Kupol No. 4L, designed to support early warning and communication missions.
Physical Characteristics

Length

4

Diameter

2

Span

10

Dry Mass

2000

Launch Mass

2550

Shape

Box + 2 Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Kupol No. 4L

Purpose

Early warning, communication

Mission

Early warning, communication

Manufacturer

RKKE/KOMET

Life Expectancy

7.5 years

Bus

14F142

Configuration

USP Bus

Motor

Unknown

Equipment

Unknown

Power System

Deployable solar arrays, 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 8 Nov 2025

X Report 8 Nov 2025

SpaceX prepares for its 560th Falcon 9 launch, aiming to deploy 29 Starlink satellites from Kennedy Space Center, while the Bandwagon-4 mission continues to showcase successful rocket landings.

Space Brief 4 Mar 2025

Space Brief 4 Mar 2025

Today's brief covers the historic lunar touchdown by Firefly Aerospace's Blue Ghost lander, highlights in military space activity, and a reflection on Pearl Young's pioneering legacy at NASA.

X Report 2 Dec 2025

X Report 2 Dec 2025

SpaceX successfully launched its 60th mission of the year, deploying 27 Starlink satellites from California. The company continues to hit milestones, confirming its dominance in spaceflight as Elon Musk acknowledges the achievement. Spire also expands its partnership with Deloitte to enhance cybersecurity in orbit.

SpaceX Targets 600th Falcon Booster Landing in Starlink 17-22 Mission | KeepTrack X Report

SpaceX Targets 600th Falcon Booster Landing in Starlink 17-22 Mission | KeepTrack X Report

SpaceX attempts its 600th Falcon 9 booster landing during the Starlink 17-22 mission, lofting 25 satellites from Vandenberg SFB on April 19.

X Report 9 May 2025

X Report 9 May 2025

SpaceX makes strides in various sectors, from Starlink expanding services on United Airlines to new hardware aimed at enhancing home connectivity.

GPS III SV-10 Moves to Falcon 9 After Vulcan Grounded | KeepTrack X Report

GPS III SV-10 Moves to Falcon 9 After Vulcan Grounded | KeepTrack X Report

SpaceX claims a 2nd GPS III launch as ULA's Vulcan investigation stalls, while ESA charters a Crew Dragon ISS mission and Starlink hits 30 launches in 2026.

SpaceX Preps Starlink 6-96 Launch, Starship TPS Testing Continues at Starbase | KeepTrack X Report

SpaceX Preps Starlink 6-96 Launch, Starship TPS Testing Continues at Starbase | KeepTrack X Report

SpaceX readies Starlink 6-96 launch of 29 satellites from Cape Canaveral. Thermal Protection System evaluations underway at Starbase for next Starship prototypes. SpaceX IPO expected to reshape market.

The Day Destiny Changed the Space Station Forever

The Day Destiny Changed the Space Station Forever

Twenty-four years ago, two spacewalking astronauts battled an ammonia leak while installing the U.S. Laboratory module Destiny, transforming the International Space Station from a construction site to a world-class research facility