COSMOS 1581 (15095)

COSPAR: 1984-071A | Alt Name: Kosmos-1581

Image

Additional Sources

Launch Details

Launch Date

July 3, 1984

Launch Site

PLMSC

Launch Pad

LC43/4

Launch Vehicle

Molniya 8K78M

Orbital Elements

NORAD ID

15095

International Designator

1984-071A

Epoch

Sat, 04 Jul 2026 10:00:28 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

67.45°

Right Ascension

16.14°

Eccentricity

Calculating...

Argument of Perigee

1.07°

Period

721.00 min

Mean Motion

2.00 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot

3D Visualization

Basic Satellite Info

Name

COSMOS 1581

Alternative Name

Kosmos-1581

Type

Payload

Status

Unknown

Owner

PVO

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 15095U 84071A   26185.41699700 -.00000830  00000+0  00000+0 0  9998

2 15095  67.4528  16.1380 6676391   1.0737 359.8573 01.99723537280814

Source: Celestrak

Summary

COSMOS 1581 (also known as Kosmos-1581) is an early warning satellite launched by the Soviet Union on July 3, 1984, from Plesetsk Launch Site using a Molniya 8K78M launch vehicle. The spacecraft has dimensions of 4 meters in length and 2 meters in diameter, with a span of 5 meters. It had a dry mass of 1150 kg and a launch mass of 1250 kg. Equipped with two deployable fixed solar arrays and batteries for power, COSMOS 1581 carries the payload Oko 73D6 No. 6023 for early warning purposes. The satellite is owned by PVO (Soviet Air Defense Forces) and was manufactured by NPOL/KOMET. Its shape consists of a cylinder with two panels, and it has an RCS value of 8.1463.

Physical Characteristics

Length

Diameter

Span

Dry Mass

1150

Launch Mass

1250

Shape

Cyl + 2 Pan

Radar Cross Section

8.1463

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Oko 73D6 No. 6023

Purpose

Early warning

Mission

Early warning

Manufacturer

NPOL/KOMET

Life Expectancy

Unknown

Bus

Oko

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

2 deployable fixed 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.

Latitude

Longitude

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.

Sandhoo Takes Dual SDA Director, Missile Warning Role | KeepTrack Space Brief

Brig. Gen. Gursharan Sandhoo double-hatted as SDA director and Space Force missile warning PAE head as Pentagon consolidates LEO satellite programs under new acquisition structure.

X Report 2 Dec 2024

SpaceX continues its Starship testing while advancing Starlink deployments, and collaborates on satellite missions with industry partners.

X Report 28 Jul 2025

SpaceX continues its ambitious satellite deployment schedule with two successful Starlink launches in just 24 hours, enhancing global connectivity.

The Day Humanity First Touched an Asteroid

Twenty-four years ago, a spacecraft designed only to orbit made history with an improvised landing on asteroid Eros, marking humanitys first controlled touchdown on a small celestial body

X Report 31 Aug 2025

SpaceX successfully launched its ninth Starlink mission of the month, boosting broadband coverage with additional satellites deployed from both coasts. The latest missions underscore the company's commitment to expanding global internet access.

Space Brief 25 Jan 2025

Today's Space Brief covers pivotal updates in military space capabilities, defense acquisitions, the UK's nuclear enhancements, and Boeing's financial challenges.

Starlink Powers Air Force One; Pentagon Orders 10,000 Cruise Missiles | KeepTrack Space Brief

Starlink confirmed operational aboard Air Force One over Pacific. Pentagon awards 10,000 low-cost cruise missiles to 4 contractors under new LCCMP program.

SpaceX Lands $2.29B Space Force Contract, X Report 27 May 2026

SpaceX wins a $2.29 billion US Space Force contract for a military space data network, NASA adds 6 crew missions, and Starship V3 makes its first flight.