What rocket is launching TJSW-21?

TJSW-21 is launching on the Long March 3B/E.

Who is launching TJSW-21?

TJSW-21 is being launched by China Aerospace Science and Technology Corporation, a government launch provider founded in 1999.

Where is TJSW-21 launching from?

TJSW-21 is launching from Launch Complex 2 (LC-2) at Xichang Satellite Launch Center, People's Republic of China.

What orbit is TJSW-21 heading to?

TJSW-21 is heading to Elliptical Orbit (Elliptical).

Is the Long March 3B/E reusable?

No — the Long March 3B/E is an expendable launch vehicle.

How many times has the Long March 3B/E flown?

The Long March 3B/E has launched 77 times to date, with 75 successful flights.

Back to Launches

TJSW-21

Name: TJSW-21 — Long March 3B/E
Start: 2025-11-21T10:55:00Z
End: 2025-11-21T11:23:00Z
Location: Launch Complex 2 (LC-2)

Government/Top Secret

Success

China Aerospace Science and Technology Corporation(CASC)Government

Long March 3B/EEllipticalorbit

Overview

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.

Mission details

Orbital Attempt

#7,125

CASC Mission

#556

Pad Launch

#122

Location Launch

#234

Designator

2025-269

Launch Window

NET

Nov 21, 2025, 10:55 AM

Precision

Minute

Schedule Changes

1 update

Lift Off

10:47 AM

Window Open

11:23 AM

Window Close

Launch Complex 2 (LC-2)

Total Launches

125

Orbital Attempts

125

Fastest Turnaround

16d 14h

Wikipedia Map

Xichang Satellite Launch Center, People's Republic of China

The Xichang Satellite Launch Center is a spaceport in China. It is located in Zeyuan Town, northwest of Xichang, Liangshan Yi Autonomous Prefecture in Sichuan.

Timezone

Asia/Shanghai

Local Launch Time

Nov 21, 2025, 6:55 PM

Total Launches

241

Total Landings

Coordinates

28.2460, 102.0266

View location page

Frequently asked questions

Long March 3B/E Specs

The Long March 3B / E (G2) (CZ-3B / E) is one of the most successful medium-range launchers and the strongest variant of the CZ-3 series. It was specially developed for the transport of heavy communications satellites into a geostationary transfer orbit. The additional designation "E" stands for a higher payload fairing, stretched boosters and extended fuel tanks at the first stage, over the CZ-3B.

Length

56.3 m

Diameter

3.35 m

Launch Mass

456 t

Thrust

5,924 kN

Capacity

12,000 kg

Capacity

5,500 kg

Launch Cost

$70M

Reusable

Maiden Flight

2007

Fastest Turnaround

15d

Total Launches

Successful

Failed

Consecutive Success

Maiden flight: May 13, 2007

Wikipedia

China Aerospace Science and Technology Corporation

The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.

Founded

1999

Administrator

Chairman & President: Lei Fanpei

Total Launches

604

Successful

589

Failed

Pending

Consecutive Success

Wikipedia Website

Overview

Mission details

Launch Window

Launch Complex 2 (LC-2)

Xichang Satellite Launch Center, People's Republic of China

Frequently asked questions

What rocket is launching TJSW-21?

Who is launching TJSW-21?

Where is TJSW-21 launching from?

What orbit is TJSW-21 heading to?

Is the Long March 3B/E reusable?

How many times has the Long March 3B/E flown?

What is the TJSW-21 mission?