COSMOS 1856 (18117)

COSPAR: 1987-051E | Alt Name: Kosmos-1856

Image
COSMOS 1856 Satellite Image
Additional Sources
Launch Details

Launch Date

June 16, 1987

Launch Site

PLMSC

Launch Pad

LC132/1

Launch Vehicle

Kosmos 11K65M

Orbital Elements

NORAD ID

18117

International Designator

1987-051E

Epoch

Fri, 03 Jul 2026 23:41:37 GMT

Apogee

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Perigee

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Inclination

74.00°

Right Ascension

191.22°

Eccentricity

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Argument of Perigee

216.42°

Period

114.97 min

Mean Motion

12.53 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 1856

Alternative Name

Kosmos-1856

Type

Payload

Status

Unknown

Owner

UNKS

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 18117U 87051E   26184.98724410 -.00000019  00000-0 -17411-4 0  9995
2 18117  74.0009 191.2192 0029936 216.4205 171.9869 12.52533005785461

Source: Celestrak

Summary
COSMOS 1856, also known as Kosmos-1856, is a military communication satellite launched on June 16, 1987, from the Plesetsk Cosmodrome Launch Pad LC132/1 using the Kosmos 11K65M launch vehicle. The spacecraft measures 0.8 meters in length, diameter, and span with a dry mass of 60 kg and was manufactured by NPOPM (NPO Precision Mechanics). It carries the Strela-1M Blok 41 No. 5 payload and is powered by solar cells and batteries. The satellite has a lifetime of about 6 months and belongs to the Strela-1 11F625 bus configuration, featuring a polyhedral shape with an RCS (Radar Cross Section) value of 0.6599.
Physical Characteristics

Length

0.8

Diameter

0.8

Span

0.8

Dry Mass

60

Launch Mass

60

Shape

Poly

Radar Cross Section

0.6599

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Strela-1M Blok 41 No. 5

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

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