Key statistics
Satellite CZ-4 DEB at a glance.
Uptime
12788
Days in orbit
Revolutions
≈ 16.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.2
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: 1990-081AD
Object number (NORAD): 20865
Object ID (CCSDS): 20865
Country: PEOPLES REPUBLIC OF CHINA (PRC)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Decay date: Sept. 7, 2025
Period: 89.588 minutes
Inclination: 98.1505 deg
SMA: 6632.253 km
Apoapsis: 263.381 km
Periapsis: 244.855 km
RAAN: 273.3787 deg
Eccentricy: 0.00139669
Argument of periapsis: 219.0585 deg
Mean anomaly: 140.9688 deg
Mean motion: 16.0735252 rev/day
Mean motion (dot): 0.07645501 rev/day2
B* drag term: 0.015698229 1/REarth
Two-line elements (TLE)
Creation date: Sept. 7, 2025, 3:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 6, 2025, 7:48 p.m. UTC
TLE line 0: 0 CZ-4 DEB
TLE line 1: 1 20865U 90081AD 25249.82554205 .07645501 21403+0 15698-1 0 9999
TLE line 2: 2 20865 98.1505 273.3787 0013967 219.0585 140.9688 16.07352520833825
Live tracking on map
Satellite CZ-4 DEB has decayed and is no longer in orbit. No tracking available.
In-orbit conjunctions
Satellite CZ-4 DEB has decayed and is no longer in orbit. No conjunctions available.
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.
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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