COSMOS 1641 (15623)

COSPAR: 1985-023G | Alt Name: Kosmos-1641

Image
COSMOS 1641 Satellite Image
Additional Sources
Launch Details

Launch Date

March 21, 1985

Launch Site

PLMSC

Launch Pad

LC132/2

Launch Vehicle

Kosmos 11K65M

Orbital Elements

NORAD ID

15623

International Designator

1985-023G

Epoch

Sat, 04 Jul 2026 04:55:55 GMT

Apogee

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Perigee

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Inclination

74.05°

Right Ascension

173.51°

Eccentricity

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Argument of Perigee

252.63°

Period

114.78 min

Mean Motion

12.55 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 1641

Alternative Name

Kosmos-1641

Type

Payload

Status

Unknown

Owner

GUKOS

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 15623U 85023G   26185.20549961 -.00000014  00000-0  13759-4 0  9998
2 15623  74.0532 173.5125 0044332 252.6283 127.2659 12.54563660890869

Source: Celestrak

Summary
COSMOS 1641, also known as Kosmos-1641, is a military communication satellite launched on March 21, 1985, from the PLMSC launch site using LC132/2 and the Kosmos 11K65M launch vehicle. The satellite was manufactured by NPOPM for GUKOS, with its primary mission being military communication. It has dimensions of 0.8 meters in length, diameter, and span, and a dry mass of 60 kilograms. Equipped with solar cells and batteries for power, COSMOS 1641 had a polyhedral shape with an RCS (Radar Cross Section) value of 0.6913. The satellite's payload included the Strela-1M Blok 37 No. 7 communication equipment. It operated for approximately six months before ending its mission.
Physical Characteristics

Length

0.8

Diameter

0.8

Span

0.8

Dry Mass

60

Launch Mass

60

Shape

Poly

Radar Cross Section

0.6913

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Strela-1M Blok 37 No. 7

Purpose

Military Communication

Mission

Military Communication

Manufacturer

NPOPM

Life Expectancy

6 months

Bus

Strela-1 11F625

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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