EOS
El EOS, anomenat aixina per les seues inicials en anglès (Earth Observing System)és un programa espacial de la NASA que compré una serie missions de satèl·lits artificials i instruments científics en òrbita terrestre dissenyats per a una observació global a llarg plaç que obtinga dades de: la superficie, l'atmosfera, biosfera, els oceans i la Terra.
| Satellite | Launch | Agency | ||
|---|---|---|---|---|
| date | site | |||
| SeaWiFS | August 1 | 1997 | ||
| TRMM | November 27 | 1997 | Tanegashima | NASA / JAXA |
| Landsat 7 | April 15 | 1999 | Vandenburg | NASA |
| QuikSCAT | June 19 | 1999 | Vandenberg | NASA / JPL |
| Terra | December 18 | 1999 | Vandenberg | multiple |
| ACRIMSAT | December 20 | 1999 | Vandenberg | NASA / JPL |
| NMP/EO-1 | November 21 | 2000 | ||
| Jason 1 | December 7 | 2001 | NASA / CNES | |
| Meteor 3M-1/Sage III | December 10 | 2001 | Baikonur | |
| GRACE | March 17 | 2002 | ||
| Aqua | May 4 | 2002 | Vandenberg | multiple |
| ADEOS II/Midori II | December 12 | 2002 | ||
| ICESat | January 12 | 2003 | Vandenberg | NASA |
| SORCE | January 25 | 2003 | Cape Canaveral | NASA |
| Aura | July 15 | 2004 | Vandenberg | multiple |
| CloudSat | April 28 | 2006 | Vandenberg | NASA |
| CALIPSO | ||||
| Hydros | June | 2006 | ||
| NPOESS | October | 2006 | NASA / NOAA | |
| ESSP | due August 2008 | |||
| OCO | due September 2008 | |||
| Aquarius | due September 2008 | |||
| NMP/EO-3 | ||||