ICESat-2 Sentinel-3B Jason-3 Sentinel-3A SpinSat SWARM (3 satellites) KOMPSAT-5 IRNSS (mult. sats.) STPSat-2 STSAT-2C SARAL ZY-3 LARES Galileo (mult. sats.) HY-2A Radioastron QZS-1 TanDEM-X CryoSat-2 PROBA-2 BLITS ANDE-Castor ANDE-Pollux LRO-LR GOCE SOHLA Jason-2 GIOVE-B TerraSAR-X COMPASS (mult. sats.) ETS-8 ANDE-RR Passive ANDE-RR Active ALOS GIOVE-A OICETS GP-B LARETS ICESat ADEOS-2 Envisat GRACE-B GRACE-A Reflector Meteor-3M Jason-1 LRE STARSHINE-3 CHAMP SUNSAT WESTPAC GFO-1 ZEIA ADEOS-1 TIPS RESURS Meteor-2-21/FIZEAU ERS-2 GFZ-1 GLONASS (mult. sats.) MSTI-2 GPS-36 Meteor-3/PRARE GPS-35 Stella LAGEOS-2 TOPEX ERS-1 Etalon-2 Etalon-1 Ajisai LAGEOS-1 GEOS-3 Starlette Moon (5 arrays) DIADEM-1D DIADEM-1C Beacon-C Satellite Name 1969 1965 Year 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Year 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Today Start of the ILRS D D D P D D D D D D D Beacon-C DIADEM-1D DIADEM-1C Moon Starlette GEOS-3 Reflector Stella Etalon-2 ERS-1 TOPEX LAGEOS-2 ANDE-RR Passive ANDE-RR Active GPS-35 GPS-36 MSTI-2 TerraSAR-X GIOVE-B Jason-2 SOHLA GOCE LRO-LR PROBA-2 Photos from ILRS website and courtesy of NASA, AFRL, AVISO, Ball Aerospace, CNES, EOS, ESA, GFZ, S. Grahn, IPIE, ISRO, JAXA, KAIST, KARI, Lavochkin Association, NOAA, NRL, SHAO, Stanford University, Stellenbosch University, USNO GP-B OICETS GIOVE-A ALOS Meteor-3-6/PRARE Sentinel-3 KOMPSAT-5 CryoSat-2 STSat-2C SARAL SWARM IRNSS-1A QZS-1 TanDEM-X Galileo ZY-3 STPSat-2 Jason-3 ICESat-2 COMPASS SpinSat LARES HY-2A RadioAstron ANDE STSat-2A Blits ETS-8 LAGEOS-1 Ajisai Etalon-1 GLONASS Beacon-C TanDEM-X Jason-1 Meteor-3M Envisat GRACE STARSHINE-3 GFZ-1 ERS-2 RESURS-01-3 TiPS ADEOS-1 Sunsat GFO-1 WESTPAC Zeia CHAMP ADEOS-2 ICESat LARETS LRE Reflector Meteor-2-21/Fizeau GFZ-1 228,200 (38) 2,225 (3) 192,230 (38) 105,320 (28) 7,400 (46) 238,000 (28) 101,500 (21) 154,500 (22) 109,765 (14) 26,640 (10) 32,300 (25) 34,100 (25) 85,990 (18) 5,230 (4) 173,200 (21) 6,395 (2) 10,100 (20) 11,900 (21) 3,730 (5) 1,810 (4) 89,385 (12) 50 (2) 17,575 (10) 1,810 (2) 5,615 (10) 46,340 (11) 1,855 (2) 2,035 (3) 4,840 (3) 450 (1) 110 (1) 5,020 (8) 525 (3) 3,170 (2) 47,800 (11) 9,360 (7) 60,330 (12) 38,300 (12) 38,4550 (12) 14,900 (3) 20 (3) 12,950 (2) 140 (1) 1,670 (4) 15,800 (4) 20,200 (4) 585 (1) 10,255 (4) 720 (1) 4,120 (5) 58,050 (6) 3,610 (4) 25,100 (7) 10,900 (7) 780 (3) 155 (1) 22,200 (2) 665 (1) 6,660 (2) 5,400 (1) 1,510 (1) 760 (1) 315 (1) 165 (1) 175 (1) 80 (1) 150 (1) 760 (1) 40 (1) 2,225 (2) 2,655 (1) 2,435 (1) 155 (1) Satellite Type: Geodetic Earth Sensing Navigation Space Science Satellite Co-Location: GNSS Receiver DORIS Beacon PRARE Instrument Co-Located Instrument Failure Tracking Restrictions: Restricted Data: Number of Passes (start–Oct. 2014) Number of Years Tracked by SLR D P # () R G R G R R R R G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G G P P G 10/22/2014 Satellite Laser Ranging Tracking Through the Years Carey Noll NASA Goddard Space Flight Center, Greenbelt MD, USA 3046 Satellites equipped with retroreflectors have been tracked by laser systems since 1964. Satellite laser ranging supports a variety of geodetic, earth sensing, navigation, and space science applications. This poster will show the history of satellite laser ranging from the late 1960’s through the present and will include retro-equipped satellites on the horizon.