FLTSATCOM 5 (12635)

COSPAR: 1981-073A | Alt Name: FLTSATCOM F5

Image
FLTSATCOM 5 Satellite Image
Additional Sources
Launch Details

Launch Date

August 6, 1981

Launch Pad

LC36A

Launch Vehicle

Atlas SLV-3D Centaur

Orbital Elements

NORAD ID

12635

International Designator

1981-073A

Epoch

Fri, 03 Jul 2026 13:08:26 GMT

Apogee

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Perigee

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Inclination

13.84°

Right Ascension

307.51°

Eccentricity

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Argument of Perigee

176.03°

Period

1460.33 min

Mean Motion

0.99 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

FLTSATCOM 5

Alternative Name

FLTSATCOM F5

Type

Payload

Status

Non-operational

Owner

USNESC/AFSD

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 12635U 81073A   26184.54753443 -.00000225  00000-0  00000-0 0  9992
2 12635  13.8432 307.5112 0009425 176.0312 160.3653  0.98607884133224

Source: Celestrak

Summary
FLTSATCOM 5, also known as FLTSATCOM F5, is a communication satellite operated by USNESC/AFSD and manufactured by TRW. It was launched on August 6, 1981, from Launch Complex 36A at the Air Force Eastern Test Range using an Atlas SLV-3D Centaur launch vehicle. The spacecraft has dimensions of 1.3 meters in length, a diameter of 2.4 meters, and a span of 13.2 meters with its solar arrays deployed. It carries 12 transponders for UHF/SHF uplink and UHF downlink communications. FLTSATCOM 5 has a dry mass of 822 kg and was launched with a total mass of 942 kg, powered by two deployable solar arrays and batteries. The satellite's design includes a hexagonal cylindrical body equipped with dishes and panels for its operational purposes, with an RCS area of 9.4977 square meters. Its mission is to provide communication services and it has a lifetime of 12 years.
Physical Characteristics

Length

1.3

Diameter

2.4

Span

13.2

Dry Mass

822

Launch Mass

942

Shape

Hex Cyl + Dish + 2 Pan

Radar Cross Section

9.4977

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

FLTSATCOM F5

Purpose

Communication

Mission

Communication

Manufacturer

TRW

Life Expectancy

12 years

Bus

FLTSATCOM

Configuration

Unknown

Motor

Star 37F

Equipment

12 transponders with UHF/SHF uplink and UHF downlink

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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