List of unmanned spacecraft by program

Here is an incomplete list of all unmanned spacecraft categorized by program.

Program	Spacecraft
A-Train	CloudSat - Aqua - CALIPSO - PARASOL - Aura
Cassini	Cassini - Huygens
NASA's Earth-Sun System Missions	Jason 1 - TIMED (Thermosphere Ionosphere Mesosphere Energetics and Dynamics) - TOPEX/Poseidon - Upper Atmosphere Research Satellite
Earth Observing System (EOS)	ACRIMSAT
Explorer program	Explorer 1 – Explorer 2 – Explorer 3 – Explorer 4 – Explorer 5 – Explorer 6 – Explorer 7 – Explorer 8 – Explorer 9 – Explorer 10 – Explorer 11 – Explorer 12 – Explorer 13 – Explorer 14 – Explorer 15 – Explorer 16 – Explorer 17 – Explorer 18 – Explorer 19 – Explorer 20 – Explorer 21 – Explorer 22 – Explorer 23 – Explorer 24 – Explorer 25 – Explorer 26 – Explorer 27 – Explorer 28 – Explorer 29 – Explorer 30 – Explorer 31 – Explorer 32 – Explorer 33 – Explorer 34 – Explorer 35 – Explorer 36 – Explorer 37 – Explorer 38 – Explorer 39 – Explorer 40 – Explorer 41 – Explorer 42 – Explorer 43 – Explorer 44 – Explorer 45 – Explorer 46 – Explorer 47 – Explorer 48 – Explorer 49 – Explorer 50 – Explorer 51 – Explorer 52 – Explorer 53 – Explorer 54 – Explorer 55 – Explorer 56 – Explorer 57 – Explorer 58 – Explorer 59 – Explorer 60 – Explorer 61 – Explorer 62 – Explorer 63 – Explorer 64 – Explorer 65 – Explorer 66 – Explorer 67 – Explorer 68 – Explorer 69 – Explorer 70 – Explorer 71 – Explorer 72 – Explorer 73 – Explorer 74 – Explorer 75 – Explorer 76 – Explorer 77 – Explorer 78
Foton program	Foton-1 - Foton-2 - Foton-3 - Foton-4 - Foton-5 - Foton-6 - Foton-7 - Foton-8 - Foton-9 - Foton-10 - Foton-11 - Foton-11
Foton-M program	Foton-M1 - Foton-M2
Gravity program	Gravity Probe A - Gravity Probe B
NASA's Great Observatories	Chandra X-ray Observatory - Compton Gamma-Ray Observatory - Hubble Space Telescope – James Webb Space Telescope - Spitzer Space Telescope
Helios program	Helios 1 – Helios 2
ISIS program	Alouette 2 - ISIS 1 - ISIS 2
LAGEOS program	LAGEOS-1 - LAGEOS-2
Landsat program	Landsat 1 - Landsat 2 - Landsat 3 - Landsat 4 - Landsat 5 - Landsat 6 - Landsat 7
Luna program	Luna 1 – Luna 2 – Luna 3 – Luna 4 – Luna 5 – Luna 6 – Luna 7 – Luna 8 – Luna 9 – Luna 10 – Luna 11 – Luna 12 – Luna 13 – Luna 14 – Luna 15 – Luna 16 – Luna 17 – Luna 18 – Luna 19 – Luna 20 – Luna 21 – Luna 22 – Luna 23 – Luna 24
Lunar Orbiter program	Lunar Orbiter 1 – Lunar Orbiter 2 – Lunar Orbiter 3 – Lunar Orbiter 4 – Lunar Orbiter 5
Lunokhod program	Lunokhod 1 – Lunokhod 2
Mariner program	Mariner 1 – Mariner 2 – Mariner 3 – Mariner 4 – Mariner 5 – Mariner 6 – Mariner 7 – Mariner 8 – Mariner 9 – Mariner 10
Mars probe program	Mars 1 – Mars 1960A – Mars 1960B – Mars 2 – Mars 3 – Mars 4 – Mars 5 – Mars 6 – Mars 7 – Mars 96
Miscellaneous	Alouette — DART — Deep Impact — Galileo — Magellan — MESSENGER — METEOR — SMART-1 — Stardust — Ulysses
JAXA	LUNAR-A — Hiten — Nozomi — SELENE — Yohkoh
Mars missions	Mars Climate Orbiter — MER-A — MER-B — Mars Express — Mars Global Surveyor — Mars Odyssey — Mars Pathfinder — Mars Polar Lander — Mars Reconnaissance Orbiter — Mars Science Laboratory — Mars Telecommunications Orbiter
Nimbus program	Nimbus 1 - Nimbus 2 - Nimbus 3 - Nimbus 4 - Nimbus 5 - Nimbus 6 - Nimbus 7
Small Explorer program (SMEX)	Interstellar Boundary Explorer - Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) - Galaxy Evolution Explorer - Aeronomy of Ice in the Mesosphere (AIM) - Nuclear Spectroscopic Telescope Array (NuSTAR) - TRACE
Space observatories	COBE - Hipparcos - Infrared Space Observatory - International Ultraviolet Explorer - IRAS - SOHO - Uhuru - XMM-Newton
Phobos program	Phobos 1 – Phobos 2
Pioneer program	Pioneer 0 – Pioneer 1 – Pioneer 3 – Pioneer 4 – Pioneer 5 - Pioneer 6 - Pioneer 7 - Pioneer 8 - Pioneer 9 - Pioneer 10 - Pioneer 11
RADARSAT	RADARSAT-1 - RADARSAT-2
Ranger program	Ranger 1 – Ranger 2 – Ranger 3 – Ranger 4 – Ranger 5 – Ranger 6 – Ranger 7 – Ranger 8 – Ranger 9
Sputnik program	Sputnik 1 – Sputnik 2 - Sputnik 3 - Sputnik 4 - Sputnik 5
Surveyor program	Surveyor 1 – Surveyor 2 – Surveyor 3 – Surveyor 4 – Surveyor 5 – Surveyor 6 – Surveyor 7
Tiros program	Tiros 1 - Tiros 2 - Tiros 3 - Tiros 4 - Tiros 5 - Tiros 6 - Tiros 7 - Tiros 8 - Tiros 9 - Tiros 10
Project Vanguard	Vanguard 1 - Vanguard 2 - Vanguard 3
Vega program	Vega 1 – Vega 2
Venera program	1VA – Venera 1 – Venera 2 – Venera 3 – Venera 4 – Venera 5 – Venera 6 – Venera 7 – Venera 8 – Venera 9 – Venera 10 – Venera 11 – Venera 12 – Venera 13 – Venera 14 – Venera 15 – Venera 16
Viking program	Viking 1 – Viking 2
Voyager program	Voyager 1 – Voyager 2
Zond program	Zond 1 – Zond 2 – Zond 3 – Zond 4 – Zond 5 – Zond 6 – Zond 7 – Zond 8

Lists of spacecraft

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