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ILRS Mission Priorities as of May 16, 2018

Priority Mission ILRS
Name		 COSPAR
ID		 SIC Sponsor Altitude
(km)		 Inclination
(degrees)		 Comments
1 CryoSat-2 cryosat2 1001301 8006 ESA 450-120 92  
2 CHEFSat chefsat 1707108 1079 U.S. Naval Research Laboratory 450 51.6  
3 TanDEM-X tandemx 1003001 6202 Infoterra/ DLR/GFZ/CSR 514 98 Tandem with TerraSAR-X
4 TerraSAR-X terrasarx 0702601 6201 Infoterra/ DLR/GFZ/CSR 514 97.44 Tandem with TanDEM-X
5 SNET-4 snet4 1801409 6207 Technische Universität Berlin 600 97.6  
6 SNET-3 snet3 1801408 6206 Technische Universität Berlin 600 97.6  
7 SNET-2 snet2 1801407 6205 Technische Universität Berlin 600 97.6  
8 SNET-1 snet1 1801410 6204 Technische Universität Berlin 600 97.6  
9 TechnoSat technosat 1704205 6203 Technische Universität Berlin 600 97.6 - 97.9 degrees ±7.2 arcmin 3-month campaign
10 STSAT-2C stsat2c 1300301 3804 MEST, KAIST 300 - 1500 80  
11 Sentinel-3B sentinel3b 1803901 8011 ESA/EUMETSAT 814.5 98.65

Restricted tracking; authorization required
12 Sentinel-3A sentinel3a 1601101 8010 ESA/EUMETSAT 814.5 98.65

Restricted tracking; authorization required
13 Swarm-A/C swarma
swarmc		 1306702
1306703		 8007
8009		 ESA 460
530		 88.35
88.95		  
14 Swarm-B swarmb 1306701 8008 ESA 460 88.35  
15 KOMPSAT-5 kompsat5 1304201 3803 KARI 550 96.7  
16 RadioAstron radioastro 1103701 5559 Lavochkin Association 500-350,000 51.4 Campaign tracking with specific stations
17 SARAL saral 1300901 3201 CNES and ISRO 814 98.55  
18 HY-2A hy2a 1104301 2201 China 971 99.35  
19 Jason-3 jason3 1600201 4379 NASA, CNES, Eumetsat, NOAA 1,336 66.0  
20 Jason-2 jason2 0803201 1025 NASA, CNES, Eumetsat, NOAA 1,336 66.0  
21 Geo-IK-2 geoik2 1603401 5561 JSC ISS 943.5 - 973.5 99.47  
22 Larets larets 0304206 5557 IPIE 691 98.204  
23 Starlette starlette 7501001 1134 CNES 815-1,100 49.8  
24 Stella stella 9306102 0643 CNES 815 98.6  
25 LARES lares 1200601 5987 ASI 1,450 69.5  
26 LAGEOS-2 lageos2 9207002 5986 ASI/NASA 5,625 52.6  
27 LAGEOS-1 lageos1 7603901 1155 NASA 5,850 109.8  
28 Etalon-1 etalon1 8900103 0525 Russia 19,100 65.3  
29 Etalon-2 etalon2 8903903 4146 Russia 19,100 65.2  
30 Ajisai ajisai 8606101 1500 JAXA 1,485 50  
31 GLONASS-131 glonass131 1301901 9131 Russia 19,140 65  
32 GLONASS-134 glonass134 1407501 9134 Russia 19,140 65  
33 GLONASS-136 glonass136 1603201 9136 Russia 19,140 65  
34 GLONASS-137 glonass137 1705501 9137 Russia 19,140 65  
35 Galileo-102 galileo102 1106002 7102 ESA 23,220 56  
36 Galileo-202 galileo202 1405002 7202 ESA 23,220 56  
37 Galileo-209 galileo209 1507901 7209 ESA 23,220 56  
38 Galileo-210 galileo210 1603002 7210 ESA 23,220 56  
39 COMPASS-G1 compassg1 1000101 2002 China 35,792.9 1.53  
40 COMPASS-I3 compassi3 1101301 2003 China 35,790.2 55.6  
41 COMPASS-M3 compassm3 1201801 2004 China 21,528 55.0  
42 COMPASS-I5 compassi5 1107301 2005 China 35,790.2 55.5  
43 IRNSS-1B irnss1b 1401701 3302 ISRO 42,293 31 2-week tracking campaign
44 QZS-3 qzs3 1704801 1583 Cabinet Office, Government of Japan 36,000 0  
45 QZS-2 qzs2 1702801 1582 Cabinet Office, Government of Japan 32,000-40,000 km 45  
46 QZS-4 qzs4 1706201 1584 Cabinet Office, Government of Japan 32,000-40,000 km 45  
47 GLONASS-128 glonass128 1106401 9128 Russia 19,100 65  
48 GLONASS-132 glonass132 1401201 9132 Russia 19,140 65  
49 GLONASS-133 glonass133 1403201 9133 Russia 19,100 65  
50 GLONASS-135 glonass135 1600801 9135 Russia 19,140 65  
51 Galileo-103 galileo103 1205501 7103 ESA 23,220 56  
52 Galileo-203 galileo203 1501701 7203 ESA 23,220 56  
53 Galileo-217 galileo217 1707903 7217 ESA 23,220 56  
54 Galileo-218 galileo218 1707904 7218 ESA 23,220 56  
55 COMPASS-I6B compassib6 1602101 2012 China 35,677 55.0  
56 IRNSS-1I irnss1i 1803501 3309 ISRO 35,786 29  
57 IRNSS-1F irnss1f 1601501 3306 ISRO 35,786 29  
58 IRNSS-1E irnss1e 1600301 3305 ISRO 35,786 29  
59 IRNSS-1D irnss1d 1501801 3304 ISRO 42,293 30.5  
60 IRNSS-1C irnss1c 1406101 3303 ISRO 42,293 5  
61 QZS-1 qzs1 1004501 1581 Cabinet Office, Government of Japan 32,000-40,000 45  
62 Beacon-C beaconc 6503201 0317 NASA 950-1300 41  

Lunar Tracking Priorities

Priority Retroreflector Array ILRS
Name		 COSPAR
ID		 SIC Sponsor Altitude(km)
1 Apollo15 apollo15 0000103 N/A NASA 356,400
2 Apollo11 apollo11 0000100 N/A NASA 356,400
3 Apollo14 apollo14 0000102 N/A NASA 356,400
4 Luna21 luna21 0000101 N/A Russian Federation 356,400
5 Luna17 luna17 0000104 N/A Russian Federation 356,400