In orbitDebris

CZ-4B DEB

NORAD: 25733
COSPAR: 1999-025D

OrbitalWiki publishes live orbits for active satellites only. This object is in the full catalogue: who launched it, what it is and its last published orbit are below, but there are no current orbital elements for it here.

Spacecraft

Owner: China Aerospace Sci/Tech Corp
Mass at launch: 50 kg(estimate, good to about 20%)
Dry mass: 50 kg(estimate, good to about 20%)
Length: 1 m
Diameter: 2.9 m
Span with arrays and booms: 2.9 m
Shape: Cone

From GCAT by Jonathan McDowell (CC BY 4.0), record S25733, checked 2026-11-05. About this source

Launch

Launch date: 1999-05-10
Rocket: Chang Zheng 4B
Flight: FY-1C/SJ-5
Mission name: Feng Yun Yi Beng
Launch site: TYSC, LC7
Launched by: Shanghai Academy of Space Technology (CASC 8th Acad)
Rocket performance: Success
Launch designator: 1999-025

From the GCAT launch log, launch 1999-025, checked 2026-11-05. About this source

Catalogue record

Object type: Debris
Owner code: PRC
Launch date: 1999-05-10
Period: 101.5 min
Inclination: 98.67°
Apogee: 840 km
Perigee: 818 km
Radar cross-section: 7.8405 m²

From CelesTrak SATCAT, checked 2026-11-05. About this source

Where it came from

Parent object: CZ-4B R/B (NORAD 25732)
Catalogued pieces that came from it: 1

The object this one was attached to at launch, or broke off from, as GCAT records it.

Everything from this launch

Debris3534 in total, 2313 still in orbit
Payload2 in total, 2 still in orbit
Rocket body1 in total, 1 still in orbit