Spacecraft Organization Date Location Status Notes Image Ref WMAP NASA 30 June 2001 (launch) – to October 2010 (end)[64] Sun-Earth L2 point success cosmic background radiation observations; sent to graveyard orbit after 9 years of use.[64] 2001-027A Spitzer Space Telescope NASA 25 August 2003 (launch) – still active (as of September, 2017) Earth-trailing heliocentric orbit success infrared astronomy 2003-038A Kepler NASA 6 March 2009 (launch) Earth-trailing heliocentric orbit completed (2009-2018) search for extrasolar planets 2009-011A [65] Herschel Space Observatory ESA 14 May 2009 (launch) Lissajous orbit around Sun-Earth L2 point completed study of formation and evolution of galaxies and stars 2009-026A Planck ESA 14 May 2009 (launch) Lissajous orbit around Sun-Earth L2 point completed (2009-2013) cosmic microwave background observations 2009-026B IKAROS JAXA 20 May 2010 (launch) Earth-Venus transfer heliocentric orbit operational solar sail technology development / interplanetary space exploration 2010-020E [3] Shin'en (UNITEC-1) UNISEC failure technology development; contact lost shortly after launch[4] 2010-020F [5] Chang'e 2 CNSA 25 August 2011(arrive) to 15 April 2012(end) Sun-Earth L2 point success Left the point on 15 April 2012, then flew by asteroid 4179 Toutatis 2010-050A Gaia ESA 19 December 2013 (launch) Lissajous orbit around Sun-Earth L2 point success astrometry mission to measure the position and motion of 1 billion stars 2013-074A [66] Shin'en 2 Kyushu Institute of Technology 3 December 2014 (launch) heliocentric orbit success amateur radio satellite / material demonstration 2014-076B[67] ARTSAT2:DESPATCH Tama Art University success deep space artwork / amateur radio satellite 2014-076C[68] LISA Pathfinder ESA 3 December 2015 (launch)[69] – 30 June 2017 Halo orbit around Sun-Earth L1 point success test mission for proposed LISA gravitational wave observatory 2015-070A [70] Spektr-RG 13 July 2019 (launch) Halo orbit around Sun-Earth L2 point en route X-ray astronomy 2019-040A[71] James Webb Space Telescope NASA ESA CSA March 2021 (launch) Sun-Earth L2 point planned infrared astronomy [72] Euclid ESA Q4, 2020 (launch)[73] Halo orbit around Sun-Earth L2 point planned measure the rate of expansion of the Universe through time to better understand dark energy and dark matter [74]