FENGYUN 4B (48808)

COSPAR: 2021-047A | Alt Name: Feng Yun 4B

Image

Additional Sources

Launch Details

Launch Date

June 2, 2021

Launch Site

XICLF

Launch Pad

LC2

Launch Vehicle

Chang Zheng 3B

Orbital Elements

NORAD ID

48808

International Designator

2021-047A

Epoch

Sat, 04 Jul 2026 02:56:38 GMT

Apogee

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Perigee

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Inclination

0.19°

Right Ascension

79.20°

Eccentricity

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Argument of Perigee

277.30°

Period

1436.14 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

FENGYUN 4B

Alternative Name

Feng Yun 4B

Type

Payload

Status

Operational

Owner

NSMC

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 48808U 21047A   26185.12266756 -.00000318  00000-0  00000-0 0  9992

2 48808   0.1924  79.2006 0005738 277.2994  74.5154  1.00269027 18735

Source: Celestrak

Summary

FENGYUN 4B (FY-4), also known as Feng Yun 4B, is a meteorological satellite operated by NSMC and manufactured by SISE. Launched on June 2, 2021, from Xichang Satellite Launch Center, LC2, using the Chang Zheng 3B launch vehicle, it has a configuration designated as SAST-5000 with dimensions of 4.2 meters in length, 3.3 meters in diameter, and spans up to 10 meters when fully deployed. The satellite carries equipment including GIIRS, LMI, AGRI, SEMIP, and DCS instruments for its mission. With a launch mass of 5380 kg and dry mass of 3000 kg, it is equipped with deployable solar arrays and batteries to power its systems throughout its planned lifetime of five years.

Physical Characteristics

Length

4.2

Diameter

3.3

Span

Dry Mass

3000

Launch Mass

5380

Shape

Box + panel

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

FY-4 02 xing

Purpose

Meteorology

Mission

Meteorology

Manufacturer

SISE

Life Expectancy

5 years

Bus

FY-4

Configuration

SAST-5000

Motor

LAE

Equipment

GIIRS, LMI, AGRI, SEMIP, DCS

Power System

Deployable solar array, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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