COSMOS 1677 (15986)

COSPAR: 1985-075A | Alt Name: Kosmos-1677

Image

Additional Sources

Launch Details

Launch Date

August 23, 1985

Launch Site

Tyuratam Missile and Space Complex

Launch Pad

LC90

Launch Vehicle

Tsiklon-2

Orbital Elements

NORAD ID

15986

International Designator

1985-075A

Epoch

Sat, 04 Jul 2026 04:46:58 GMT

Apogee

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Perigee

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Inclination

64.68°

Right Ascension

261.29°

Eccentricity

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Argument of Perigee

350.34°

Period

103.84 min

Mean Motion

13.87 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 1677

Alternative Name

Kosmos-1677

Type

Payload

Status

Unknown

Owner

VMF

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 15986U 85075A   26185.19928417 -.00000060  00000-0  26591-4 0  9991

2 15986  64.6831 261.2877 0063632 350.3426   9.6404 13.86701301 60240

Source: Celestrak

Summary

COSMOS 1677 (also known as Kosmos-1677) is an ocean surveillance satellite equipped with active radar technology. Launched on August 23, 1985, from the TYMSC launch site using a Tsiklon-2 rocket, this satellite was manufactured by KOMET and stabilized by October 23, 1985. It has dimensions of 5.8 meters in length and diameter with a span of 5.8 meters, featuring a cylindrical shape. The dry mass and launch mass are both recorded at 1154 kilograms. Equipped with a BES-5 nuclear reactor for power supply, the satellite’s purpose is to conduct ocean surveillance using radar technology. It belongs to VMF (Voenno-Morskoy Flot) and carries the US-A No. 342 ROCh payload. The satellite's radar cross-section is noted as 2.2783 square meters.

Physical Characteristics

Length

5.8

Diameter

1.3

Span

5.8

Dry Mass

1154

Launch Mass

1154

Shape

Cyl

Radar Cross Section

2.2783

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

US-A No. 342 ROCh

Purpose

Ocean surveillance, active radar

Mission

Ocean surveillance, active radar

Manufacturer

KOMET

Life Expectancy

Unknown

Bus

US-A reactor

Configuration

US-Bus

Motor

Unknown

Equipment

Radar

Power System

BES-5 nuclear reactor

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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