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

12887

Days in orbit

Revolutions

≈ 14.3

Per day

Orbit

SSO

Sun Synchronous Orbit

Inclination

98.4

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: 1990-081BP

Object number (NORAD): 20903

Object ID (CCSDS): 20903

Country: PEOPLES REPUBLIC OF CHINA (PRC)

Current information (Y/N): Y

RCS size: SMALL

Orbital parameters

Period: 100.707 minutes

Inclination: 98.4202 deg

SMA: 7170.22 km

Apoapsis: 831.059 km

Periapsis: 753.111 km

RAAN: 350.0275 deg

Eccentricy: 0.0054355

Argument of periapsis: 271.5521 deg

Mean anomaly: 268.7631 deg

Mean motion: 14.29894666 rev/day

Mean motion (dot): 0.00001246 rev/day2

B* drag term: 0.00049249309 1/REarth

Two-line elements (TLE)

Creation date: Dec. 13, 2025, 4:32 a.m.

Reference frame: TEME

Reference center: EARTH

Epoch: Dec. 12, 2025, 6:46 p.m. UTC

TLE line 0: 0 CZ-4 DEB

TLE line 1: 1 20903U 90081BP 25346.78232196 .00001246 00000-0 49249-3 0 9994

TLE line 2: 2 20903 98.4202 350.0275 0054355 271.5521 268.7631 14.29894666827542

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
COSMOS 2251 DEB LEO 2024-08-28 14:35:06 0.0004463264 28.0 (m) DEBRIS
FENGYUN 1C DEB SSO 2024-07-05 17:49:57 0.0003085987 250.0 (m) DEBRIS

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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