MOLNIYA 3-31 (17328)

COSPAR: 1987-008A | Alt Name: Molniya-3

Image
MOLNIYA 3-31 Satellite Image
Additional Sources
Launch Details

Launch Date

January 22, 1987

Launch Site

PLMSC

Launch Pad

LC41/1

Launch Vehicle

Molniya 8K78M

Orbital Elements

NORAD ID

17328

International Designator

1987-008A

Epoch

Fri, 03 Jul 2026 18:09:49 GMT

Apogee

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Perigee

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Inclination

62.00°

Right Ascension

269.90°

Eccentricity

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Argument of Perigee

260.49°

Period

717.90 min

Mean Motion

2.01 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

MOLNIYA 3-31

Alternative Name

Molniya-3

Type

Payload

Status

Unknown

Owner

UNKS/MSVYAZ

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 17328U 87008A   26184.75681767 -.00000358  00000-0 -18469-2 0  9990
2 17328  61.9974 269.9004 7341131 260.4913  17.7446  2.00585610285500

Source: Celestrak

Summary
The MOLNIYA 3-31 satellite, also known as Molniya-3, was launched on January 22, 1987, from the PLMSC launch site using a Molniya 8K78M launch vehicle. Its mission is communication and it was manufactured by NPOPM for UNKS/MSVYAZ. The satellite has dimensions of 3.6 meters in length, 1.6 meters in diameter, and a span of 8.1 meters. It weighs 1750 kg at launch with a dry mass of 1700 kg. Its power system consists of six deployable solar arrays (producing up to 1000 W) and batteries. The satellite's configuration is KAUR-2, based on the Molniya-3 bus, equipped with a KDU-414A or 11D414NS motor for propulsion. It has a cylindrical shape with six panels, an RCS of 14.1925, and was intended to operate for about three years in orbit.
Physical Characteristics

Length

3.6

Diameter

1.6

Span

8.1

Dry Mass

1700

Launch Mass

1750

Shape

Cyl + 6 Pan

Radar Cross Section

14.1925

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Molniya-3 No. 42

Purpose

Communication

Mission

Communication

Manufacturer

NPOPM

Life Expectancy

3 years

Bus

Molniya-3

Configuration

KAUR-2

Motor

KDU-414A (S5.114) or 11D414NS

Equipment

Unknown

Power System

6 deployable solar arrays (1000 W), batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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