APPLE (12545)

COSPAR: 1981-057B | Alt Name: Apple

Image

Additional Sources

Launch Details

Launch Date

June 19, 1981

Launch Site

FRGUI

Launch Pad

ELA1

Launch Vehicle

Ariane 1

Orbital Elements

NORAD ID

12545

International Designator

1981-057B

Epoch

Fri, 03 Jul 2026 11:27:32 GMT

Apogee

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Perigee

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Inclination

7.00°

Right Ascension

296.72°

Eccentricity

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Argument of Perigee

225.27°

Period

1439.34 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

APPLE

Alternative Name

Apple

Type

Payload

Status

Non-operational

Owner

ISRO

Country

India

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 12545U 81057B   26184.47746491  .00000122  00000-0  00000-0 0  9996

2 12545   6.9960 296.7153 0026764 225.2675 130.0919  1.00046078122549

Source: Celestrak

Summary

The APPLE satellite, also known as Apple, was launched on June 19, 1981, from the ELA1 launch pad at FRGUI using an Ariane 1 launch vehicle by ISRO (Indian Space Research Organisation). The satellite is manufactured by ISAC and has a configuration shaped as "Cyl + 2 Pan," with dimensions of 1.5 meters in length, 1.2 meters in diameter, and a span of 2 meters. It had a dry mass of 313 kg and launched with a total mass of 331 kg. APPLE is equipped with one C-band transponder for experimental communications purposes and powered by two deployable solar arrays along with batteries. The satellite's mission was to conduct experimental communications, which it performed over a lifetime span of approximately 2 years.

Physical Characteristics

Length

1.5

Diameter

1.2

Span

Dry Mass

313

Launch Mass

331

Shape

Cyl + 2 Pan

Radar Cross Section

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Apple

Purpose

Experimental communications

Mission

Experimental communications

Manufacturer

ISAC

Life Expectancy

2 years

Bus

Apple

Configuration

Unknown

Motor

SLV-3-4

Equipment

1 C-band transponder

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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