CSS (WENTIAN) (53239)

COSPAR: 2022-085A | Alt Name: Wentian

Image
CSS (WENTIAN) Satellite Image
Additional Sources
Launch Details

Launch Date

July 24, 2022

Launch Site

WSC

Launch Pad

LC101

Launch Vehicle

Chang Zheng 5B

Orbital Elements

NORAD ID

53239

International Designator

2022-085A

Epoch

Mon, 20 Jul 2026 03:36:22 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

41.47°

Right Ascension

121.80°

Eccentricity

Calculating...

Argument of Perigee

306.74°

Period

92.41 min

Mean Motion

15.58 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

CSS (WENTIAN)

Alternative Name

Wentian

Type

Payload

Status

Operational

Owner

CMSEO

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 53239U 22085A   26201.15025580  .00011348  00000+0  15004-3 0  9995
2 53239  41.4683 121.7978 0001915 306.7446  53.3216 15.58213113288234

Source: Celestrak

Summary
The CSS (Wentian) satellite, also known as Wentian, is a space station module launched on July 24, 2022, from Wenchang Spacecraft Launch Site using the Chang Zheng 5B launch vehicle at LC101. The spacecraft has dimensions of 17.9 meters in length and 4.2 meters in diameter with a span of 55 meters. It weighs 23,050 kilograms at launch and has a dry mass of 21,500 kilograms. The satellite's mission is to serve as part of the space station, equipped with two deployable solar arrays and batteries for power supply. Wentian was manufactured by CAST and owned by CMSEO, designed with a lifetime of 10 years. Its shape consists of step cylindrical segments plus two panels.
Physical Characteristics

Length

17.9

Diameter

4.2

Span

55

Dry Mass

21500

Launch Mass

23050

Shape

Step Cyl + 2 Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Wentian

Purpose

Space station

Mission

Space station

Manufacturer

CAST

Life Expectancy

10 years

Bus

Tianhe

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

Map
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration

Satellite Articles

View All Posts »

Learn more about satellites and other related topics.

X Report 5 Sep 2025

X Report 5 Sep 2025

SpaceX celebrates significant milestones with its Starship preparations, approaches a landmark Falcon booster landing, and enhances the ISS orbit with Dragon technology.

X Report 4 Jan 2025

X Report 4 Jan 2025

SpaceX kicks off 2025 with successful launches and a record-breaking outlook, aiming to maintain its market leadership amidst emerging competition.

X Report 26 Aug 2025

X Report 26 Aug 2025

SpaceX's ongoing challenges with the Starship Flight 10 launch are prominent today, as weather and technical issues continue to push back the schedule. Meanwhile, successful cargo missions to the ISS highlight the company's ongoing commitment to space operations.

Starlink Constellation Size Nears 10,000, X Report 16 Mar 2026

Starlink Constellation Size Nears 10,000, X Report 16 Mar 2026

Starlink constellation size in March 2026: 9,996 satellites in orbit and 9,986 working from 11,504 launched, as SpaceX deorbits legacy V1.0 hardware.

The Pentagon's Mystery Spaceplane Takes Off

The Pentagon's Mystery Spaceplane Takes Off

On April 22, 2010, an Atlas V lifted off from Cape Canaveral carrying a reusable robotic spaceplane so secret that the Air Force would not even confirm its mission duration. It came back 224 days later, lighter, quieter, and more operational than anyone outside Washington had expected. Fifteen years later, the X-37B is still flying, and the military still will not say what it does.

X Report 10 Nov 2025

X Report 10 Nov 2025

SpaceX successfully launched 29 Starlink satellites, bolstering its broadband network and expanding global internet coverage.

SpaceX Launches 1,500th Starlink of 2026, Space Brief 15 Jun 2026

SpaceX Launches 1,500th Starlink of 2026, Space Brief 15 Jun 2026

SpaceX launches its 1,500th Starlink satellite of 2026 as shares jump 19% on Nasdaq debut day. Musk targets $1 trillion in annual revenue by 2030.

Starship Florida Launch Targeting 2026 | KeepTrack X Report

Starship Florida Launch Targeting 2026 | KeepTrack X Report

SpaceX is pushing to launch Starship from Cape Canaveral before end of 2026, with contractors ramping work at LC-39A.