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List of BeiDou satellites

From Wikipedia, the free encyclopedia

BeiDou
Country/ies of originPeople's Republic of China
TypeMilitary, Commercial
StatusOperational
CoverageGlobal
Constellation size
Nominal satellites24 MEO, 3 GEO, 3 IGSO (BeiDou-3)[1]
Current usable satellites
  • BD-3: 26 MEO, 4 GEO, 3 IGSO
  • BD-2: 3 MEO, 4 GEO, 7 IGSO
First launch30 October 2000
Last launch26 December 2023
Total launches62
Orbital characteristics
Regime(s)Geostationary orbit
Inclined geosynchronous orbit
Medium Earth orbit
Orbital heightVarious
Docking withShijian-21 done by Compass G2
Docking dateLate December 2021[2]
Undocking dateLate January 2022[3]

This is a list of past and present satellites of theBeiDou/Compass navigation satellite system. As of December 2023[update], 44 satellites are operational: 7 ingeostationary orbits (GEO), 10 in 55°inclined geosynchronous orbits (IGSO) and 27 inMedium Earth orbits (MEO). Furthermore, 8 satellites (4 in Medium Earth orbit, 2 in geostationary orbit and 2 in inclined geosynchronous orbit) are undergoing testing or commissioning.

Constellation design

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For BeiDou-1, the system consists of 4 GEO satellites (3 active + 1 spare).[4]

For BeiDou-2, the nominal constellation consists of 35 satellites (27 MEO, 5 GEO for BeiDou-1 compatibility, 3 IGSO).[5]

For BeiDou-3, the nominal constellation consists of 30 satellites (24 MEO, 3 GEO, 3 IGSO).[1] The constellation was declared "complete" on 23 June 2020.

Satellites

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Summary table

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Summary of satellites, as of 26 December 2023
ConstellationLaunch
period		LaunchesStatus
SuccessFailurePlannedOperationalTesting/ReserveUnhealthy/SpareRetired
12000–20064000004
22007–2019200015005
3S2015–20165000401
32016–present330029400
Total6200448010

Note: 3S is the experimental / validation constellation for BeiDou-3. Although these satellites may be functional, their message format differs slightly from BD-3.

Full list

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#Satellite[6]Launch date
(UTC)		Launch siteCarrier rocket[7]PRN[8]Orbit[9]Status[8][9]Remarks
-BeiDou-1A30 October 2000
16:02		Xichang, LC-2Long March 3AN/AGEO 140° ERetired
December 2011		BeiDou-1, first generation experimental satellite
-BeiDou-1B20 December 2000
16:20		Xichang, LC-2Long March 3AN/AGEO 80° ERetired
December 2011		BeiDou-1, first generation experimental satellite
-BeiDou-1C24 May 2003
16:34		Xichang, LC-2Long March 3AN/AGEO 110.5° ERetired
December 2012		BeiDou-1, first generation experimental satellite
-BeiDou-1D2 February 2007
16:28		Xichang, LC-2Long March 3AN/AGEO 86° ERetired
February 2009		BeiDou-1, first generation experimental satellite
1Compass-M113 April 2007
20:11		Xichang, LC-2Long March 3AN/AMEO ~21,500 kmRetiredBeiDou-2, second generation validation satellite
2Compass-G214 April 2009
16:16		Xichang, LC-2Long March 3CN/AGEO driftingRetiredBeiDou-2 - Sent to GEO graveyard Orbit byShijian-21 space Debris mitigation satellite or orbital servicing vehicle in January 2022.[10]
3Compass-G116 January 2010
16:12		Xichang, LC-2Long March 3CN/AGEO 140.0° ERetiredBeiDou-2
4Compass-G32 June 2010
15:53		Xichang, LC-2Long March 3CN/AGEO 79.5° ERetired
September 29, 2018		BeiDou-2, retired on 29 September 2018
5Compass-IGSO131 July 2010
21:30		Xichang, LC-3Long March 3AC0655° inclinationIGSO 118° EOperationalBeiDou-2
6Compass-G431 October 2010
16:26		Xichang, LC-2Long March 3CC04GEO 160.0° EOperationalBeiDou-2
7Compass-IGSO217 December 2010
20:20		Xichang, LC-3Long March 3AC0755° inclination IGSO 118° EOperationalBeiDou-2
8Compass-IGSO39 April 2011
20:47		Xichang, LC-3Long March 3AC0855° inclination IGSO 118° EOperationalBeiDou-2
9Compass-IGSO426 July 2011
21:44		Xichang, LC-3Long March 3AC0955° inclination IGSO 95° EOperationalBeiDou-2
10Compass-IGSO51 December 2011
21:07		Xichang, LC-3Long March 3AC1055° inclination IGSO 95° EOperationalBeiDou-2
11Compass-G524 February 2012
16:12		Xichang, LC-2Long March 3CC05GEO 58.75° EOperationalBeiDou-2
12Compass-M329 April 2012
20:50		Xichang, LC-2Long March 3BC11MEO ~21,500 km, Slot A07OperationalBeiDou-2
13Compass-M4C12MEO ~21,500 km, Slot A08OperationalBeiDou-2
14Compass-M518 September 2012
19:10		Xichang, LC-2Long March 3BN/AMEO ~21,500 km, Slot B03Retired
October 21, 2014		BeiDou-2, transmission ended on 21 October 2014[11]
15Compass-M6C14MEO ~21,500 km, Slot B04OperationalBeiDou-2
16Compass-G625 October 2012
15:33		Xichang, LC-2Long March 3CC02GEO 80° EOperationalBeiDou-2, last satellite of the second generation[12]
17Beidou-3 I1-S30 March 2015
13:52		Xichang, LC-2Long March 3C/YZ-1C3155° inclination IGSO 95° EExperimentBeiDou-3, third generation validation satellite[13]
18Beidou-3 M1-S25 July 2015
12:29		Xichang, LC-2Long March 3B/YZ-1C57MEO ~21,500 km, Slot A01ExperimentBeiDou-3, third generation validation satellite
19Beidou-3 M2-SC58MEO ~21,500 km, Slot A06ExperimentBeiDou-3, third generation validation satellite
20Beidou-3 I2-S29 September 2015
23:13		Xichang, LC-3Long March 3BC5655° inclination IGSO 95° EExperimentBeiDou-3, third generation validation satellite
21Beidou-3 M3-S1 February 2016
07:29		Xichang, LC-2Long March 3C/YZ-1N/AMEO ~21,500 kmRetiredBeiDou-3, third generation validation satellite
22Compass-IGSO629 March 2016
20:11		Xichang, LC-2Long March 3AC1355° inclination IGSO 95° EOperationalBeiDou-2, for reliability redundancy improving, formerly PNR C15[11]
23Compass-G712 June 2016
15:30		Xichang, LC-3Long March 3CC03GEO 110.5° EOperationalBeiDou-2, for reliability redundancy improvement
24BeiDou-3 M15 November 2017
11:45		Xichang, LC-2Long March 3B/YZ-1C19MEO ~21,500 km, Slot B07OperationalBeiDou-3, third generation navigation satellite. PRN C19 used until 12 June 2018.[11]
25BeiDou-3 M2C20MEO ~21,500 km, Slot B08OperationalBeiDou-3
26BeiDou-3 M711 January 2018
23:18		Xichang, LC-2Long March 3B/YZ-1C27MEO ~21,500 km, Slot A04OperationalBeiDou-3, PRN C28 used until 12 June 2018.
27BeiDou-3 M8C28MEO ~21,500 km, Slot A05OperationalBeiDou-3
28BeiDou-3 M312 February 2018
05:03		Xichang, LC-2Long March 3B/YZ-1C21MEO ~21,500 km, Slot B05OperationalBeiDou-3
29BeiDou-3 M4C22MEO ~21,500 km, Slot B06OperationalBeiDou-3
30BeiDou-3 M929 March 2018
17:56		Xichang, LC-2Long March 3B/YZ-1C29MEO ~21,500 km, Slot A02OperationalBeiDou-3
31BeiDou-3 M10C30MEO ~21,500 km, Slot A03OperationalBeiDou-3
32Compass-IGSO79 July 2018
20:58		Xichang, LC-2Long March 3AC1655° inclination IGSO 95° E[14]OperationalBeiDou-2, for reliability redundancy improving
33BeiDou-3 M529 July 2018
01:48		Xichang, LC-3Long March 3B/YZ-1C23MEO ~21,500 km, Slot C07OperationalBeiDou-3
34BeiDou-3 M6C24MEO ~21,500 km, Slot C01OperationalBeiDou-3
35BeiDou-3 M1124 August 2018
23:52		Xichang, LC-3Long March 3B/YZ-1C25MEO ~21,500 km, Slot C08OperationalBeiDou-3
36BeiDou-3 M12C26MEO ~21,500 km, Slot C02OperationalBeiDou-3
37BeiDou-3 M1319 September 2018
14:07		Xichang, LC-2Long March 3B/YZ-1C32MEO ~21,500 km, Slot B01OperationalBeiDou-3, withCOSPAS-SARSATMEOSAR payloads.
38BeiDou-3 M14C33MEO ~21,500 km, Slot B03OperationalBeiDou-3, withCOSPAS-SARSATMEOSAR payloads.
39BeiDou-3 M1515 October 2018
04:23		Xichang, LC-3Long March 3B/YZ-1C34MEO ~21,500 km, Slot A07OperationalBeiDou-3
40BeiDou-3 M16C35MEO ~21,500 km, Slot A01OperationalBeiDou-3
41BeiDou-3 G11 November 2018
15:57		Xichang, LC-2Long March 3B/EC59GEO 144.2° EOperationalBeiDou-3
42BeiDou-3 M1718 November 2018
18:07		Xichang, LC-3Long March 3B/YZ-1C36MEO ~21,500 km, Slot C04OperationalBeiDou-3
43BeiDou-3 M18C37MEO ~21,500 km, Slot C06OperationalBeiDou-3
44BeiDou-3 I120 April 2019
14:41		Xichang, LC-3Long March 3B/EC3855° inclination IGSO 120° EOperationalBeiDou-3
45Compass-G817 May 2019
15:48		Xichang, LC-2Long March 3CC01GEOOperationalBeiDou-2, for reliability redundancy improving
46BeiDou-3 I224 June 2019
18:09		Xichang, LC-3Long March 3B/EC3955° inclination IGSO 120° EOperationalBeiDou-3
47BeiDou-3 M2322 September 2019
21:10		Xichang, LC-2Long March 3B/YZ-1C45MEO ~21,500 km, Slot C03OperationalBeiDou-3, withCOSPAS-SARSATMEOSAR payloads.
48BeiDou-3 M24C46MEO ~21,500 km, Slot C05OperationalBeiDou-3, withCOSPAS-SARSATMEOSAR payloads.
49BeiDou-3 I34 November 2019
17:43		Xichang, LC-2Long March 3B/EC4055° inclination IGSO 120° EOperationalBeiDou-3
50BeiDou-3 M2123 November 2019
00:55		Xichang, LC-3Long March 3B/YZ-1C43MEO ~21,500 km, Slot A06OperationalBeiDou-3, withCOSPAS-SARSATMEOSAR payloads.
51BeiDou-3 M22C44MEO ~21,500 km, Slot A08OperationalBeiDou-3, withCOSPAS-SARSATMEOSAR payloads.
52BeiDou-3 M1916 December 2019
07:22		Xichang, LC-3Long March 3B/YZ-1C41MEO ~21,500 km, Slot B02OperationalBeiDou-3
53BeiDou-3 M20C42MEO ~21,500 km, Slot B04OperationalBeiDou-3
54BeiDou-3 G29 March 2020
11:55		Xichang, LC-2Long March 3B/EC60GEOOperationalBeiDou-3
55BeiDou-3 G323 June 2020
01:43		Xichang, LC-2Long March 3B/EC61GEOOperationalBeiDou-3
56BeiDou-3 G417 May 2023
02:49		Xichang, LC-2Long March 3B/EC62GEOOperationalBeiDou-3
57BeiDou-3 M2626 December 2023
03:26		Xichang, LC-2Long March 3B/E/YZ-1C48MEOOperationalBeiDou-3, for reliability redundancy improving
58BeiDou-3 M28C50MEOOperationalBeiDou-3, for reliability redundancy improving
59BeiDou-3 M2519 September 2024
01:14		Xichang, LC-2Long March 3B/E/YZ-1C47MEOOperationalBeiDou-3, for reliability redundancy improving; technology demonstrator for Beidou-4
60BeiDou-3 M27C49MEOOperationalBeiDou-3, for reliability redundancy improving; technology demonstrator for Beidou-4[15]

Medium Earth Orbit Satellites Orbital slots

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SlotPlane
ABC
013-M163-M133-M6
023-M93-M193-M12
033-M103-M143-M23
043-M73-M203-M17
053-M83-M33-M24
063-M213-M43-M18
073-M153-M13-M5
083-M223-M23-M11
Number in italic are under commissioning.
Numbers in parentheses refer to non-operational satellites.
Animation of BeiDou-3
Around the Earth
Around the Earth - Polar view
Earth fixed frame - Equatorial view, front
Earth fixed frame - Equatorial view, side
   Earth ·    I1 ·    I2 ·    I3 ·   G1 ·   G2 ·   G3

See also

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References

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  1. ^abUpdate on the BeiDou Satellite Navigation SystemArchived 23 October 2018 at theWayback Machine. 12th ICG Meeting. Jia-Qing Ma, China Satellite Navigation Office.
  2. ^"China's Shijian-21 towed dead satellite to a high graveyard orbit". Spacenews. 27 January 2022. Retrieved25 May 2022.
  3. ^"China's Shijian-21 towed dead satellite to a high graveyard orbit". Spacenews. 27 January 2022. Retrieved25 May 2022.
  4. ^Goebel, Greg (1 September 2008)."International Navigation Satellite Systems". vectorsite.net. Archived from the original on 1 October 2015. Retrieved6 April 2007.
  5. ^"China Launches Another Compass GEO Navigation Satellite".Inside GNSS. 2 June 2010. Archived fromthe original on 11 June 2010. Retrieved4 June 2010.
  6. ^Spaceflight Now - Launch Log
  7. ^"北斗卫星导航系统卫星状态". Archived fromthe original on 24 October 2014. Retrieved25 November 2014.
  8. ^ab"Constellation Status". Test and Assessment Research Center of China Satellite Navigation Office. Retrieved30 January 2022.
  9. ^ab"The Almanac: GPS World". GPS World. 21 August 2012. Retrieved14 January 2015.
  10. ^"China's Shijian-21 towed dead satellite to a high graveyard orbit". 27 January 2022.
  11. ^abc"IGS MGEX BeiDou".mgex.igs.org. Archived fromthe original on 14 December 2017. Retrieved17 December 2019.
  12. ^"中国北斗，与美国GPS比肩而立". 人民日报海外版. 2 March 2013. Retrieved16 June 2017.
  13. ^"中国北斗导航卫星再次进入密集发射期". 中国新闻社. 31 March 2015. Retrieved16 June 2017.
  14. ^"系统基本信息".www.csno-tarc.cn. Archived fromthe original on 17 September 2018. Retrieved27 February 2018.
  15. ^"China launches final pair of backup Beidou satellites". 19 September 2024.

External links

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