ARABSAT-1B (15825)

COSPAR: 1985-048C | Alt Name: Arabsat 1B

Image
ARABSAT-1B Satellite Image
Additional Sources
Launch Details

Launch Date

June 17, 1985

Launch Pad

LC39A

Launch Vehicle

Space Shuttle

Orbital Elements

NORAD ID

15825

International Designator

1985-048C

Epoch

Fri, 03 Jul 2026 19:38:42 GMT

Apogee

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Perigee

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Inclination

12.36°

Right Ascension

334.00°

Eccentricity

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Argument of Perigee

31.69°

Period

1434.08 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

ARABSAT-1B

Alternative Name

Arabsat 1B

Type

Payload

Status

Non-operational

Owner

ARAB

Country

Arabsat

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 15825U 85048C   26184.81854321 -.00000359  00000-0  00000-0 0  9997
2 15825  12.3608 334.0043 0013752  31.6871 332.2517  1.00412579135601

Source: Celestrak

Summary
ARABSAT-1B is a communication satellite, also known as Arabsat 1B, operated by ARAB and manufactured by AESPC/FORDA. Launched on June 17, 1985, from LC39A at AFETR using a Space Shuttle launch vehicle, it became stable the following day. The satellite has dimensions of 2.3 meters in length, 1.5 meters in diameter, and spans 20.7 meters when its solar arrays are deployed. It carries a dry mass of 592 kg with a launch mass of 1270 kg. Equipped with 25 C-band transponders and 2 S-band transponders for communication purposes, ARABSAT-1B was designed to operate for approximately seven years in space. The satellite is powered by two deployable solar arrays and batteries, and it uses an R-4D-11 motor. With a shape described as Box + Pan + Ant, its reflective surface area (RCS) is 3.9211 square meters.
Physical Characteristics

Length

2.3

Diameter

1.5

Span

20.7

Dry Mass

592

Launch Mass

1270

Shape

Box + Pan + Ant

Radar Cross Section

3.9211

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Arabsat 1B

Purpose

Communication

Mission

Communication

Manufacturer

AESPC/FORDA

Life Expectancy

7 years

Bus

Spacebus 100

Configuration

Spacebus-1000

Motor

R-4D-11

Equipment

25 C-band transponders, 2 S-band transponders

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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