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| Country of origin | China, Brazil |
|---|---|
| Operator | CRESDA /INPE[1] People's Liberation Army[citation needed] |
| Applications | Remote sensing Reconnaissance[citation needed] |
| Specifications | |
| Bus | Phoenix-Eye |
| Regime | Sun-synchronous |
| Design life | 2-4 years |
| Production | |
| Status | Operational |
| On order | 1 |
| Built | 15 |
| Launched | 15 |
| Operational | 8 |
| Retired | 5 |
| Failed | 1 |
| Lost | 1 |
| Maiden launch | Ziyuan I-01 14 October 1999 |
| Last launch | Ziyuan I-02E 26 December 2021 |
| Related spacecraft | |
| Derivatives | CBERS |
Ziyuan (simplified Chinese:资源;traditional Chinese:資源;pinyin:Zī Yuán;lit. 'resources') is a series ofremote sensingsatellites operated by thePeople's Republic of China. Several Ziyuan satellites are operated jointly withBrazil'sNational Institute for Space Research under theChina–Brazil Earth Resources Satellite program.
Ziyuan satellites are based on thePhoenix-Eye-1 orPhoenix-Eye-2 satellite buses - the Phoenix-Eye-1 is used for CBERS missions while the Phoenix-Eye-2 is used for the remaining satellites. The Ziyuan-II series satellites are operated by the Chinese military.[citation needed] The Ziyuan-III series satellites are operated by theMinistry of Natural Resources.
| Satellite | COSPAR ID | SATCAT | Launch date[2] | Rocket | Launch site | Status | Remarks |
|---|---|---|---|---|---|---|---|
| Ziyuan I series | |||||||
| Ziyuan I-01 (CBERS-1) | 1999-057A | 25940 | 14 October 1999, 03:15 UTC | CZ-4B | Taiyuan,LC-7 | Retired 2003 | |
| Ziyuan I-02 (CBERS-2) | 2003-049A | 28057 | 21 October 2003, 03:16 UTC | CZ-4B | Taiyuan,LC-7 | Retired 2007 | |
| Ziyuan I-02B (CBERS-2B) | 2007-042A | 32062 | 19 September 2007, 03:26 UTC | CZ-4B | Taiyuan,LC-7 | Failed 2010 | |
| Ziyuan I-02C | 2011-079A | 38038 | 22 December 2011, 03:26 UTC | CZ-4B | Taiyuan,LC-9 | Operational | |
| Ziyuan I-03 (CBERS-3) | — | 9 December 2013, 03:26 UTC | CZ-4B | Taiyuan,LC-9 | Launch failure | ||
| Ziyuan I-04 (CBERS-4) | 2014-079A | 40336 | 7 December 2014, 03:26 UTC | CZ-4B | Taiyuan,LC-9 | Operational | |
| Ziyuan I-04B (CBERS-4B) | 2018[1] | CZ-4B | Taiyuan | On order | |||
| Ziyuan I-02D | 2019-059A | 44528 | 12 September 2019, 03:26 UTC | CZ-4B | Taiyuan | Launched | |
| Ziyuan I-04A (CBERS-4A) | 2019-093E | 44883 | 20 December 2019, 03:22 UTC | CZ-4B | Taiyuan LC-9 | Launched | |
| Ziyuan I-02E | 2021-131A | 50465 | 26 December 2021, 03:11 UTC | CZ-4C | Taiyuan LC-9 | Launched | |
| Ziyuan II series | |||||||
| Ziyuan II-01 | 2000-050A | 26481 | 1 September 2000, 03:25 UTC | CZ-4B | Taiyuan,LC-7 | De-orbited 3 November 2016 | |
| Ziyuan II-02 | 2002-049A | 27550 | 27 October 2002, 03:17 UTC | CZ-4B | Taiyuan,LC-7 | De-orbited 22 January 2015 | |
| Ziyuan II-03 | 2004-044A | 28470 | 6 November 2004, 03:10 UTC | CZ-4B | Taiyuan,LC-7 | Presumed retired | |
| Ziyuan III series | |||||||
| Ziyuan III-01 | 2012-001A | 38046 | 9 January 2012, 03:17 UTC | CZ-4B | Taiyuan,LC-9 | Operational | |
| Ziyuan III-02 | 2016-033A | 41556 | 30 May 2016, 03:17 UTC | CZ-4B | Taiyuan,LC-9 | Launched[3] | |
| Ziyuan III-03 | 2020-051A | 45939 | 25 July 2020, 03:13 UTC | CZ-4B | Taiyuan,LC-9 | ||
