COSMOS 521 (06206)

COSPAR: 1972-074A | Alt Name: Kosmos-521

Image
COSMOS 521 Satellite Image
Additional Sources
Launch Details

Launch Date

September 29, 1972

Launch Site

PLMSC

Launch Pad

LC132/2

Launch Vehicle

Kosmos 11K65M

Orbital Elements

NORAD ID

06206

International Designator

1972-074A

Epoch

Sun, 19 Jul 2026 18:29:02 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

65.83°

Right Ascension

202.83°

Eccentricity

Calculating...

Argument of Perigee

351.60°

Period

104.92 min

Mean Motion

13.73 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

COSMOS 521

Alternative Name

Kosmos-521

Type

Payload

Status

Unknown

Owner

PKO

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 06206U 72074A   26200.77016977 -.00000080  00000+0  25193-7 0  9993
2 06206  65.8255 202.8307 0007263 351.5974 181.7096 13.72510934696087

Source: Celestrak

Summary

Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.

Physical Characteristics

Length

1.4

Diameter

1.4

Span

1.4

Dry Mass

643

Launch Mass

643

Shape

Poly

Radar Cross Section

1.358

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

DS-P1-M No. 4L

Purpose

ASAT target

Mission

ASAT target

Manufacturer

YUZH

Life Expectancy

Unknown

Bus

DS-P1

Configuration

Unknown

Motor

None

Equipment

Unknown

Power System

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 18 Jul 2025

X Report 18 Jul 2025

Elon Musk provided updates on the anticipated Starship Flight 10, along with insights on SpaceX's progress at Cape Canaveral. Key developments include target timelines for upcoming launches and ongoing efforts in Starship's development.

108 Minutes That Changed Everything - and the 20-Year Echo That Followed

108 Minutes That Changed Everything - and the 20-Year Echo That Followed

On April 12, 1961, a 27-year-old Soviet pilot rode a modified ICBM into orbit and came back alive after 108 minutes. Exactly twenty years later, two Americans climbed aboard an untested spacecraft covered in 31,000 ceramic tiles and bet their lives that the math was right.

X Report 3 Jun 2025

X Report 3 Jun 2025

SpaceX gears up for an exciting week with multiple launches, including a crewed mission and the rescheduled Starlink delivery. Meanwhile, ULA faces criticism from the Space Force over delays in its Vulcan rocket program.

SpaceX Wins $4.16B Space Force Contract, X Report 3 Jun 2026

SpaceX Wins $4.16B Space Force Contract, X Report 3 Jun 2026

SpaceX wins a $4.16 billion Space Force satellite contract to track airborne threats worldwide, while dual-pad launches add 53 Starlink satellites.

New Glenn Achieves First Booster Reuse on Mission 3 | KeepTrack Space Brief

New Glenn Achieves First Booster Reuse on Mission 3 | KeepTrack Space Brief

Blue Origin's New Glenn successfully reused its first stage booster for the first time on Mission 3, launching April 19. Booster reuse accelerates operational tempo.

Artemis II

Artemis II

Four astronauts, a patched-together heat shield, and a $50 billion question: whether NASA can still send humans beyond low Earth orbit. Tomorrow, we find out.

York Space Goes Public at $629M, Cold War JUMPSEAT Spy Satellites Declassified | KeepTrack Space Brief

York Space Goes Public at $629M, Cold War JUMPSEAT Spy Satellites Declassified | KeepTrack Space Brief

York Space raises $629M in IPO to expand satellite manufacturing. NRO declassifies Cold War-era JUMPSEAT spy satellites. Lockheed to boost THAAD interceptor production from 96 to 400 per year.

SpaceX Unveils Stargaze SSA System, Explores xAI Merger Ahead of IPO | KeepTrack X Report

SpaceX Unveils Stargaze SSA System, Explores xAI Merger Ahead of IPO | KeepTrack X Report

SpaceX unveils Stargaze space situational awareness system during 13th launch of January. Reports surface of SpaceX-xAI merger talks ahead of potential IPO. Dual-coast Starlink launches from CA and FL.