BEIDOU-2 IGSO-4 (37763)

COSPAR: 2011-038A | Alt Name: Beidou DW 9

Image
BEIDOU-2 IGSO-4 Satellite Image
Additional Sources
Launch Details

Launch Date

July 26, 2011

Launch Site

XICLF

Launch Pad

LC3

Launch Vehicle

Chang Zheng 3A

Orbital Elements

NORAD ID

37763

International Designator

2011-038A

Epoch

Fri, 03 Jul 2026 22:32:21 GMT

Apogee

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Perigee

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Inclination

54.60°

Right Ascension

165.52°

Eccentricity

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Argument of Perigee

231.39°

Period

1435.95 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

BEIDOU-2 IGSO-4

Alternative Name

Beidou DW 9

Type

Payload

Status

Operational

Owner

CNSA

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 37763U 11038A   26184.93913991  .00000029  00000-0  00000-0 0  9995
2 37763  54.6040 165.5238 0159836 231.3868 317.1483  1.00282089 54815

Source: Celestrak

Summary
The BEIDOU-2 IGSO-4 satellite, also known as Beidou DW 9, is a navigation satellite operated by CNSA and manufactured by CAST. It was launched on July 26, 2011, from Xichang Satellite Launch Center (XICLF), LC3 launch pad, using the Chang Zheng 3A launch vehicle. The spacecraft has dimensions of approximately 3 meters in length, 1.7 meters in diameter, and a span of 18 meters due to its solar arrays. It weighs 2,300 kilograms at launch and has a dry mass of 1,300 kilograms. Equipped with two deployable solar arrays and batteries for power generation, it was designed to have an operational lifetime of 8 years. The satellite features a box shape with two panels and uses the DFH-3 bus configuration. Its purpose is to support navigation services as part of the Beidou system.
Physical Characteristics

Length

3

Diameter

1.7

Span

18

Dry Mass

1300

Launch Mass

2300

Shape

Box + 2 Pan

Radar Cross Section

16.2984

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Beidou-2 I4

Purpose

Navigation

Mission

Navigation

Manufacturer

CAST

Life Expectancy

8 years

Bus

DFH-3

Configuration

DFH-3 Bus

Motor

FY-25

Equipment

?

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
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