YZ-1S R/B

Satellite information

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Satellite Type and Status

ROCKET BODYDECAYED

Key statistics

Satellite YZ-1S R/B at a glance.

Uptime

3

Days in orbit

Revolutions

≈ 15.5

Per day

Orbit

LEO

Low Earth Orbit

Inclination

50.0

Latest

Satellite identification and parameters

Extended collection of information and parameters for YZ-1S R/B.

Object identification

Identified? True

Debris? False

Object name: YZ-1S R/B

International designator: 2025-209E

Object number (NORAD): 65621

Object ID (CCSDS): 65621

Country: PEOPLES REPUBLIC OF CHINA (PRC)

Current information (Y/N): Y

Orbital parameters

Decay date: Sept. 19, 2025

Period: 92.728 minutes

Inclination: 49.9704 deg

SMA: 6786.327 km

Apoapsis: 708.685 km

Periapsis: 107.699 km

RAAN: 330.0593 deg

Eccentricy: 0.0442792

Argument of periapsis: 324.7574 deg

Mean anomaly: 32.4835 deg

Mean motion: 15.52925429 rev/day

Mean motion (dot): 0.08424882 rev/day2

B* drag term: 0.00015498 1/REarth

Two-line elements (TLE)

Creation date: Sept. 29, 2025, 11:16 p.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Sept. 17, 2025, 8:32 p.m. UTC

TLE line 0: 0 OBJECT E

TLE line 1: 1 65621U 25209E 25260.85569006 .08424882 10456-4 15498-3 0 9998

TLE line 2: 2 65621 49.9704 330.0593 0442792 324.7574 32.4835 15.52925429 254

Live tracking on map

Satellite YZ-1S R/B has decayed and is no longer in orbit. No tracking available.

In-orbit conjunctions

Satellite YZ-1S R/B has decayed and is no longer in orbit. No conjunctions available.

Associated space launch

Officially described as "Satellite-Internet Technology Demonstration Satellite(s)". Probably test satellites for the Chinese state-owned LEO communication satellite constellation SatNet.

YZ-1S R/B was lifted into orbit during the mission ‘Long March 2C/YZ-1S | SatNet test satellites’, on board a Long March 2C/YZ-1S space rocket.

The launch took place on Sept. 16, 2025, 1:06 a.m. from Launch Area 4 (SLS-2 / 603).

For more information about the launch, click the button.

Launch to space Long March 2C/YZ-1S | SatNet test satellites
Long March 2C/YZ-1S | SatNet test satellites

Agency: N/A

Status: Launch Successful

Launch date: Sept. 16, 2025, 1:06 a.m. UTC

Rocket: Long March 2C/YZ-1S

Launch pad: Launch Area 4 (SLS-2 / 603)

Location: Jiuquan Satellite Launch Center, People's Republic of China

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