BEIDOU-2 M1 (31115)

COSPAR: 2007-011A | Alt Name: Beidou DW 1

Image

Additional Sources

Launch Details

Launch Date

April 13, 2007

Launch Site

XICLF

Launch Pad

LC3

Launch Vehicle

Chang Zheng 3A

Orbital Elements

NORAD ID

31115

International Designator

2007-011A

Epoch

Fri, 03 Jul 2026 17:32:12 GMT

Apogee

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Perigee

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Inclination

50.93°

Right Ascension

218.73°

Eccentricity

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Argument of Perigee

329.46°

Period

811.96 min

Mean Motion

1.77 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 M1

Alternative Name

Beidou DW 1

Type

Payload

Status

Non-operational

Owner

CNSA

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 31115U 07011A   26184.73069859  .00000065  00000-0  00000-0 0  9999

2 31115  50.9262 218.7282 0001932 329.4595  30.5997  1.77349448 76440

Source: Celestrak

Summary

BEIDOU-2 M1, also known as Beidou DW 1, is a navigation satellite launched by CNSA on April 13, 2007, from Xichang Satellite Launch Center using the Chang Zheng 3A launch vehicle. The spacecraft has dimensions of 3 meters in length and 1.7 meters in diameter with a span of 18 meters when fully deployed. It has a dry mass of 1300 kg and a launch mass of 2320 kg, equipped with two deployable solar arrays and batteries for power generation. The satellite's mission is navigation and it uses the DFH-3 Bus configuration manufactured by CAST, featuring an FY-25 motor. Its shape is described as Box + 2 Pan with a radar cross-section (RCS) of 6.2708 square meters. The satellite was designed for an operational lifetime of 8 years.

Physical Characteristics

Length

Diameter

1.7

Span

Dry Mass

1300

Launch Mass

2320

Shape

Box + 2 Pan

Radar Cross Section

6.2708

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Beidou-2 M1

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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Latitude

Longitude

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