Re-entered 2001-08-29Debris

CZ-4B DEB

NORAD: 26256
COSPAR: 1999-057ES

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.

Is it working?

Sources agree

Source	What it says	Date
CelesTrak SATCAT	Decayed or deorbited	2001-08-29
GCAT (J. McDowell)	Re-entered	2001-08-29

Each line is one source and what it says. Where they disagree, both are shown; OrbitalWiki does not pick a winner.

Spacecraft

Owner: China National Space Administration

From GCAT by Jonathan McDowell (CC BY 4.0), record S26256, checked 2026-11-06. About this source

Launch

Launch date: 1999-10-14
Rocket: Chang Zheng 4B
Flight: ZY-1/SACI-1
Mission name: ZY-1/CBERS 1
Launch site: TYSC, LC7
Launched by: Shanghai Academy of Space Technology (CASC 8th Acad)
Rocket performance: Success
Launch designator: 1999-057

From the GCAT launch log, launch 1999-057, checked 2026-11-06. About this source

Catalogue record

Object type: Debris
Owner code: PRC
Launch date: 1999-10-14
Re-entered: 2001-08-29
Period: 90.5 min
Inclination: 97.51°
Apogee: 307 km
Perigee: 295 km
Radar cross-section: 0.0095 m²

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

Where it came from

Parent object: CZ-4B R/B (NORAD 25942)

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

Everything from this launch

Debris433 in total, 121 still in orbit
Payload2 in total, 2 still in orbit
Rocket body1 in total, 1 still in orbit