ASTRA 5A (SIRIUS 2) (25049)

COSPAR: 1997-071A | Alt Name: Sirius 2

Image

Additional Sources

Launch Details

Launch Date

November 12, 1997

Launch Site

FRGUI

Launch Pad

ELA2

Launch Vehicle

Ariane 44L

Orbital Elements

NORAD ID

25049

International Designator

1997-071A

Epoch

Fri, 03 Jul 2026 21:32:58 GMT

Apogee

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Perigee

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Inclination

12.04°

Right Ascension

33.80°

Eccentricity

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Argument of Perigee

74.97°

Period

1448.56 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

ASTRA 5A (SIRIUS 2)

Alternative Name

Sirius 2

Type

Payload

Status

Non-operational

Owner

NSAB

Country

Sweden

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 25049U 97071A   26184.89790462 -.00000236  00000-0  00000-0 0  9992

2 25049  12.0363  33.7960 0003683  74.9714 299.6083  0.99409337104294

Source: Celestrak

Summary

ASTRA 5A (also known as Sirius 2) is a communication satellite launched on November 12, 1997, from the ELA2 launch pad at Kourou using an Ariane 44L rocket. It was manufactured by AESPC and operated by NSAB for communication purposes. The satellite has dimensions of 3.5 meters in length, a diameter of 2.3 meters, and a span of 29 meters. Equipped with 32 (+8) Ku-band transponders, its dry mass is 1245 kg, and it had a launch mass of 2920 kg. It uses two deployable solar arrays and batteries for power generation. The satellite was designed to last for approximately 15 years and has an RCS (Reflective Cross Section) value of 31.6228 square meters. Its shape is described as Box + 2 Pan, indicating a box-shaped body with two panels.

Physical Characteristics

Length

3.5

Diameter

2.3

Span

Dry Mass

1245

Launch Mass

2920

Shape

Box + 2 Pan

Radar Cross Section

31.6228

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Sirius 2

Purpose

Communication

Mission

Communication

Manufacturer

AESPC

Life Expectancy

15 years

Bus

Spacebus 3000B2

Configuration

Spacebus-3000B2

Motor

S400

Equipment

32 (+ 8) Ku-band transponders

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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