Satellites and probes: X

30 satellites and probes

Spacecraft	Launch	Operator	Launch vehicle
X-ray Imaging and Spectroscopy Mission	September 6, 2023	National Aeronautics and Space Administration, Japan Aerospace Exploration Agency	H-IIA
X-Sat	April 20, 2011	—	Polar Satellite Launch Vehicle
Xatcobeo	February 13, 2012	Vigo University	Vega
XINGYUN SHIYAN-1	January 9, 2017	—	Kuaizhou
Xinyan-2	September 19, 2015	—	Long March 6
Xiwang 1	December 15, 2009	—	Long March 4C
XiWang-4	November 12, 2022	—	Long March 7
XL-1 Lander	2023	—	—
XM-1	May 8, 2001	Sirius XM Rad	Zenit-3SL
XM-2	March 18, 2001	Sirius XM Rad	Zenit-3SL
XM-3	March 1, 2005	Sirius XM Rad	Zenit-3SL
XM-4	October 30, 2006	Sirius XM Rad	Zenit-3SL
XM-5	October 14, 2010	Sirius XM Rad	Proton-M
XMM-Newton	December 10, 1999	European Space Agency	Ariane 5G
XPNAV-1	November 9, 2016	—	Long March 11
XPoSat	January 1, 2024	—	Polar Satellite Launch Vehicle-DL
XSS 10	January 29, 2003	United States Air Force	Delta II
XTAR-EUR	February 12, 2005	hisdeSAT	Ariane 5 ECA
Xuntian	December 2023	China National Space Administration	Long March 5B
XW-2A	September 19, 2015	—	Long March 6
XW-2B	September 19, 2015	—	Long March 6
XW-2E	September 19, 2015	—	Long March 6
XW-2F	September 19, 2015	—	Long March 6
XY-2C	September 19, 2015	—	Long March 6
XY-2D	September 19, 2015	—	Long March 6
Μ-LabSat	December 14, 2002	National Space Development Agency	H-IIA
Колибри-2000	November 26, 2001	—	Soyuz-FG
Космос-1805	December 10, 1986	—	Tsyklon-3
Космос-2542	November 25, 2019	—	Soyuz-2.1v
Молния-1С	July 29, 1974	—	Proton-K