NASA will be performing network maintenance on Thursday, July 25, 2024, from 09:00 AM EDT (13:00 UTC) to 11:00 AM EDT (15:00 UTC). The ILRS website and ALL CDDIS services will be unavailable during the maintenance window. If you experience problems outside this window, contact support-cddis@earthdata.nasa.gov.

close window
-->

ILRS Mission Priorities as of April 20, 2015

Priority Mission ILRS
Name		 COSPAR
ID		 SIC Sponsor Altitude
(km)		 Inclination
(degrees)		 Comments
1 GRACE-A/B gracea
graceb		 0201201
0201202		 8003
8004		 GFZ/JPL 485-500 89 Tandem mission
2 SpinSat spinsat 9806714* 1076 NRL 425 51.6  
3 CryoSat-2 cryosat2 1001301 8006 ESA 720 92  
4 TanDEM-X tandemx 1003001 6202 Infoterra/ DLR/GFZ/CSR 514 98 Tandem with TerraSAR-X
5 TerraSAR-X terrasarx 0702601 6201 Infoterra/ DLR/GFZ/CSR 514 97.44 Tandem with TanDEM-X
6 STSAT-2C stsat2c 1300301 3804 MEST, KAIST 300 - 1500 80  
7 Swarm-A/B swarma
swarmb		 1306702
1306701		 8007
8008		 ESA 460 88.35  
8 Swarm-C swarmc 1306703 8009 ESA 530 88.95  
9 KOMPSAT-5 kompsat5 1304201 3803 KARI 550 96.7  
10 RadioAstron radioastro 1103701 5559 Lavochkin Association 500-350,000 51.4 Campaign tracking with specific stations
11 SARAL saral 1300901 3201 CNES and ISRO 814 98.55  
12 HY-2A hy2a 1104301 2201 China 971 99.35  
13 Jason-2 jason2 0803201 1025 NASA, CNES, Eumetsat, NOAA 1,336 66.0 Tandem with Jason-1
14 Larets larets 0304206 5557 IPIE 691 98.204  
15 Starlette starlette 7501001 1134 CNES 815-1,100 49.8  
16 Stella stella 9306102 0643 CNES 815 98.6  
17 LARES lares 1200601 5987 ASI 1,450 69.5  
18 LAGEOS-2 lageos2 9207002 5986 ASI/NASA 5,625 52.6  
19 LAGEOS-1 lageos1 7603901 1155 NASA 5,850 109.8  
20 Etalon-1 etalon1 8900103 0525 Russia 19,100 65.3  
21 Etalon-2 etalon2 8903903 4146 Russia 19,100 65.2  
22 Ajisai ajisai 8606101 1500 JAXA 1,485 50  
23 IRNSS-1C irnss1c 1406101 3303 ISRO 42,164 29  
24 IRNSS-1B irnss1b 1401701 3302 ISRO 42,164 29  
25 IRNSS-1A irnss1a 1303401 3301 ISRO 42,164 29  
26 QZS-1 qzs1 1004501 1581 JAXA 32,000-40,000 45 WPLTN tracking only
27 Beacon-C beaconc 6503201 0317 NASA 950-1300 41 Upgraded from a campaign to
ongoing mission (Jan 2002)
28 Envisat envisat 0200901 6179 ESA 796 98.6  
29 GLONASS-123 glonass123 1004102 9123 Russia 19,100 65  
30 GLONASS-125 glonass125 1100901 9125 Russia 19,100 65  
31 GLONASS-129 glonass129 1106402 9129 Russia 19,100 65  
32 GLONASS-130 glonass130 1107101 9130 Russia 19,100 65  
33 GLONASS-131 glonass131 1301901 9131 Russia 19,100 65  
34 GLONASS-132 glonass132 1401201 9132 Russia 19,100 65  
35 COMPASS-M3 compassm3 1201801 2004 China 21,528 55.0  
36 COMPASS-I3 compassi3 1101301 2003 China 42,161 55.6  
37 COMPASS-I5 compassi5 1107301 2005 China 42,161 55.6  
38 COMPASS-G1 compassg1 1000101 2002 China 42,163 1.53  
39 Galileo-201 galileo201 1405001 7201 ESA 23,220 56  
40 Galileo-202 galileo202 1405002 7202 ESA 23,220 56  
41 Galileo-104 galileo104 1205502 7104 ESA 23,220 56 Tracking campaign
42 Galileo-103 galileo103 1205501 7103 ESA 23,220 56 Tracking campaign
43 Galileo-101 galileo101 1106001 7101 ESA 23,220 56  
44 Galileo-102 galileo102 1106002 7102 ESA 23,220 56  
45 GIOVE-A giovea 0505101 7001 ESA 23,916 56  

*Note: Since the satellite was deployed from the ISS, the alphanumeric COSPAR ID for SpinSat is 1998-067FL. Due to the 7-digit restriction for numeric translation of the COSPAR ID for the ILRS, the last two digits of the ID were designated as the year of the satellite's deployment (the ILRS will not be tasked to support any additional targets deployed from the ISS in 2014). Therefore the ILRS COSPAR ID has been set to 9806714.

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