OPTUS A1 (AUSSAT 1) (15993)

COSPAR: 1985-076B | Alt Name: Aussat K1

Image

Additional Sources

Launch Details

Launch Date

August 27, 1985

Launch Site

Cape Canaveral Space Force Station

Launch Pad

LC39A

Launch Vehicle

Space Shuttle

Orbital Elements

NORAD ID

15993

International Designator

1985-076B

Epoch

Fri, 03 Jul 2026 21:37:54 GMT

Apogee

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Perigee

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Inclination

13.28°

Right Ascension

338.73°

Eccentricity

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Argument of Perigee

11.44°

Period

1443.47 min

Mean Motion

1.00 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

OPTUS A1 (AUSSAT 1)

Alternative Name

Aussat K1

Type

Payload

Status

Unknown

Owner

AUSS

Country

Australia

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 15993U 85076B   26184.90133059 -.00000271  00000-0  00000-0 0  9995

2 15993  13.2771 338.7321 0002935  11.4352   3.9134  0.99759848119765

Source: Celestrak

Summary

OPTUS A1 (AUSSAT 1), also known as Aussat K1, is an Australian communication satellite launched on August 27, 1985, aboard a Space Shuttle from Launch Pad LC39A at AFETR. With dimensions of 6.6 meters in length and 2.2 meters in diameter, it has a span of 6.6 meters and was manufactured by HSES as HS-376 configuration. The satellite weighs 433 kilograms dry with an initial launch mass of 566 kilograms and is powered by solar cells mounted on its body and drop-skirt, along with batteries. Equipped with 15 Ku-band transponders operating at 14/12 GHz, it was designed for a seven-year lifetime to provide communication services.

Physical Characteristics

Length

6.6

Diameter

2.2

Span

6.6

Dry Mass

433

Launch Mass

566

Shape

Cyl

Radar Cross Section

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Aussat K1

Purpose

Communication

Mission

Communication

Manufacturer

HSES

Life Expectancy

7 years

Bus

HS-376

Configuration

HS-376

Motor

TE-M-700-17

Equipment

15 Ku-band transponders operating at 14/12 GHz

Power System

Solar cells (body mounted and drop-skirt), batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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