TIANHUI 4B (50573)

COSPAR: 2021-134B | Alt Name: Tianhui-4 02

Image

Additional Sources

Launch Details

Launch Date

December 29, 2021

Launch Site

JSC

Launch Pad

LC43/94

Launch Vehicle

Chang Zheng 2D

Orbital Elements

NORAD ID

50573

International Designator

2021-134B

Epoch

Sun, 19 Jul 2026 20:03:09 GMT

Apogee

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Perigee

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Inclination

88.97°

Right Ascension

318.06°

Eccentricity

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Argument of Perigee

321.95°

Period

93.09 min

Mean Motion

15.47 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

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CAST-2000 bus China satellites Payloads

Basic Satellite Info

Name

TIANHUI 4B

Alternative Name

Tianhui-4 02

Type

Payload

Status

Operational

Owner

GCDX

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 50573U 21134B   26200.83552830  .00005324  00000+0  10521-3 0  9990

2 50573  88.9735 318.0553 0005346 321.9487  38.1395 15.46900563254884

Source: Celestrak

Summary

TIANHUI 4B (ALT_NAME: Tianhui-4 02) is an Earth observation satellite launched on December 29, 2021, from the Jiuquan Satellite Launch Center's LC43/94 pad using a Chang Zheng 2D launch vehicle. The spacecraft, based on the CAST-2000 bus and manufactured by DFHZ, has dimensions of 1 meter in length and diameter with a span of 3 meters and carries a dry mass of 1000 kg. It is equipped with solar cells and batteries for power generation. Owned by GCDX, TIANHUI 4B is designed to operate as part of an Earth observation mission and has a box shape with two panels.

Physical Characteristics

Length

Diameter

Span

Dry Mass

1000

Launch Mass

1000

Shape

Box + 2 Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Tianhui-4 subsat

Purpose

Earth observation

Mission

Earth observation

Manufacturer

DFHZ

Life Expectancy

Unknown

Bus

CAST-2000

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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Latitude

Longitude

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