OPS 3984 (12799)

COSPAR: 1981-085A | Alt Name: OPS 3984

DECAYED

Image

Additional Sources

Launch Details

Launch Date

September 3, 1981

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Titan IIID

Orbital Elements

NORAD ID

12799

International Designator

1981-085A

Decay Date

11/23/1984

Basic Satellite Info

Name

OPS 3984

Alternative Name

OPS 3984

Type

Payload

Status

Decayed

Owner

NRO/CIA

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Summary

OPS 3984, also known as KENNEN 4, is a reconnaissance satellite classified under the KH-11 Bus-1 configuration and was launched on September 3, 1981, from AFWTR Launch Pad SLC4E using a Titan IIID launch vehicle. The satellite measures 19 meters in length with a diameter of 3 meters and spans 30 meters when fully deployed. It has a dry mass and launch mass both equal to 8556 kg. Manufactured by TRW, the spacecraft is owned by NRO/CIA and serves an electro-optical reconnaissance mission. Its power system includes deployable solar arrays and batteries. The satellite's shape consists of a cylinder with two panels. Launched for the US, OPS 3984 was designed to provide high-resolution imagery for intelligence purposes.

Physical Characteristics

Length

Diameter

Span

Dry Mass

8556

Launch Mass

8556

Shape

Cyl + 2 Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

KENNEN 4

Purpose

Reconnaissance, electro-optical

Mission

Reconnaissance, electro-optical

Manufacturer

TRW

Life Expectancy

Unknown

Bus

KH-11

Configuration

Bus-1

Motor

Equipment

Power System

Deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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