CZ-4 DEB

Satellite information

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Satellite Type and Status

DEBRISIN ORBIT

Key statistics

Satellite CZ-4 DEB at a glance.

Uptime

12780

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

99.2

Latest

Satellite identification and parameters

Extended collection of information and parameters for CZ-4 DEB.

Object identification

Identified? True

Debris? True

Object name: CZ-4 DEB

International designator: 1990-081AY

Object number (NORAD): 20888

Object ID (CCSDS): 20888

Country: PEOPLES REPUBLIC OF CHINA (PRC)

Current information (Y/N): Y

RCS size: MEDIUM

Orbital parameters

Period: 100.836 minutes

Inclination: 99.2228 deg

SMA: 7176.371 km

Apoapsis: 928.337 km

Periapsis: 668.135 km

RAAN: 84.7939 deg

Eccentricy: 0.01812906

Argument of periapsis: 357.1351 deg

Mean anomaly: 2.8775 deg

Mean motion: 14.28056722 rev/day

Mean motion (dot): 0.00002251 rev/day2

B* drag term: 0.00077809148 1/REarth

Two-line elements (TLE)

Creation date: Aug. 30, 2025, 3:38 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Aug. 29, 2025, 8:12 p.m. UTC

TLE line 0: 0 CZ-4 DEB

TLE line 1: 1 20888U 90081AY 25241.84207260 .00002251 00000-0 77809-3 0 9991

TLE line 2: 2 20888 99.2228 84.7939 0181291 357.1351 2.8775 14.28056722785609

Live tracking on map

Real-time ground track for satellite CZ-4 DEB.

In-orbit conjunctions

A list of the most updated potential collisions computed for object CZ-4 DEB.

Target Orbit TCA Probability of collision Miss distance Type
SAFIR 2 SSO 2025-07-05 17:51:36 0.0002946025 235.0 (m) PAYLOAD
SOLRAD 7B LEO 2024-08-17 03:44:44 0.0005443401 342.0 (m) PAYLOAD

Associated space launch

Chinese polar orbiting meteorological satellite

CZ-4 DEB was lifted into orbit during the mission ‘Long March 4A | Feng Yun 1B’, on board a Long March 4A space rocket.

The launch took place on Sept. 3, 1990, 12:53 a.m. from Launch Complex 7.

For more information about the launch, click the button.

Launch to space Long March 4A | Feng Yun 1B
Long March 4A | Feng Yun 1B

Agency: N/A

Status: Launch Successful

Launch date: Sept. 3, 1990, 12:53 a.m. UTC

Rocket: Long March 4A

Launch pad: Launch Complex 7

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

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