TJS-12 (62374)

COSPAR: 2024-246A | Alt Name: Tongxin Jishu Shiyan 12

Image
TJS-12 Satellite Image
Additional Sources
Launch Details

Launch Date

December 20, 2024

Launch Site

XICLF

Launch Pad

XSC -

Launch Vehicle

Chang Zheng 3B

Orbital Elements

NORAD ID

62374

International Designator

2024-246A

Epoch

Sun, 19 Jul 2026 19:00:23 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

0.60°

Right Ascension

302.67°

Eccentricity

Calculating...

Argument of Perigee

102.03°

Period

1436.15 min

Mean Motion

1.00 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

TJS-12

Alternative Name

Tongxin Jishu Shiyan 12

Type

Payload

Status

Operational

Owner

ZLZB

Country

China

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 62374U 24246A   26200.79193919 -.00000235  00000+0  00000+0 0  9997
2 62374   0.6014 302.6664 0001898 102.0262 324.4538 01.00268326  5890

Source: Celestrak

Summary
The TJS-12 satellite, also known as Tongxin Jishu Shiyan 12, is a SIGINT (Signal Intelligence) satellite launched by China on December 20, 2024, from the Xichang Satellite Launch Center using the Chang Zheng 3B launch vehicle. It belongs to the FY-4 bus series and has a dry mass of 2500 kg with a total launch mass of 5000 kg. The satellite measures 5 meters in length, 2.5 meters in diameter, and its solar panels span up to 30 meters when deployed. It is equipped with two deployable solar arrays and batteries for power generation. The spacecraft has a box shape with two pans and was manufactured by SISE under the ownership of ZLZB. Its payload includes the Huoyan 6 equipment designed for SIGINT purposes, although specific mission details remain uncertain.
Physical Characteristics

Length

5

Diameter

2.5

Span

30

Dry Mass

2500

Launch Mass

5000

Shape

Box + 2 Pan

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Huoyan 6

Purpose

SIGINT ?

Mission

SIGINT ?

Manufacturer

SISE

Life Expectancy

Unknown

Bus

FY-4

Configuration

Unknown

Motor

LAE

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 1 Aug 2025

X Report 1 Aug 2025

SpaceX successfully launched 19 Starlink satellites from California amidst a weather-related scrub of the Crew-11 mission to the ISS, showcasing the company’s focus on expanding its satellite constellation while overcoming operational challenges.

SpaceX Falcon 9 Grounded After Rare Launch Failure

SpaceX Falcon 9 Grounded After Rare Launch Failure

The FAA grounds SpaceX's Falcon 9 rocket after a launch mishap, potentially impacting NASA's crewed missions and disrupting SpaceX's ambitious launch schedule.

X Report 30 Aug 2025

X Report 30 Aug 2025

SpaceX impresses with the successful launch of 24 Starlink satellites and shares stunning visuals from the recent Starship Flight 10, which demonstrated remarkable landing precision.

SpaceX Absorbs xAI in History's Largest Private Merger | KeepTrack X Report

SpaceX Absorbs xAI in History's Largest Private Merger | KeepTrack X Report

SpaceX officially merged with Elon Musk's xAI under the SpaceXAI brand, while a Falcon 9 lofted 81 rideshare payloads from Vandenberg on July 7.

X Report 20 May 2025

X Report 20 May 2025

SpaceX gears up for new Starlink shell deployment and secures updated licensing for Starship, amidst ongoing preparations for Falcon 9 launches.

X Report 4 Jul 2025

X Report 4 Jul 2025

SpaceX continues to make strides in satellite deployment with a successful launch. The European Space Agency's new satellite enhances global atmospheric forecasting, showcasing the expanding role of launches in improving environmental monitoring.

X Report 20 Mar 2025

X Report 20 Mar 2025

SpaceX successfully rotates Crew-9 and Crew-10 on the ISS and launches new Starlink satellites with direct-to-cell capability.

Artemis 2 Delayed by Upper Stage Issue, Falcon 9 Hits 33rd Flight | KeepTrack Space Brief

Artemis 2 Delayed by Upper Stage Issue, Falcon 9 Hits 33rd Flight | KeepTrack Space Brief

NASA delays Artemis 2 for SLS upper stage fix and pad rollback. SpaceX Falcon 9 booster shatters reuse record with 33rd flight. Tory Bruno joins Blue Origin for defense work.