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Planetary and lunar
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Planetary and lunar
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Below are checklists of Planetary and lunar (and asteroid) exploration satellites, including launch dates and images of the satellites. Many solar-observing and planetary-exploration satellites are elsewhere on this Website. This is a work in progress, and completeness is our goal. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.
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| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
(Pioneer-0 — Pioneer-E) | reference | Pioneer (non-planetary) | Pioneer (non-planetary) | |
| Pioneer-10 (Pioneer-F) (Pioneer-Jupiter-1) | 1972-03-03 | Pioneer-10 Pioneer-10 Pioneer-10 Pioneer-10 Pioneer-10/11 type (patch) | Pioneer (planetary) | Pioneer (planetary) |
| Pioneer-11 (Pioneer-G) (Pioneer-Jupiter-2) | 1973-04-06 | Pioneer-11 Pioneer-10/11 type (patch) | ||
| Pioneer-12 (Pioneer-Venus-1 / Orbiter) | 1978-05-20 | Pioneer-12 Pioneer-12 | ||
| Pioneer-13 (Pioneer-Venus-2 / Multi-probe) | 1978-08-08 | Pioneer-13 Pioneer-13 | ||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Mariner-1 [failed] | 1962-07-22 | Mariner-2 | Mariner | Mariner |
| Mariner-2 (Venus flyby) | 1962-08-27 | |||
| Mariner-3 (Mars probe) | 1964-11-05 | Mariner-4 Mariner-4 Mariner-4 (patch, Mariner-1/2 type depicted) | ||
| Mariner-4 (Mars probe) | 1964-11-28 | |||
| Mariner-5 (Venus flyby) | 1967-06-14 | Mariner-5 | ||
| Mariner-6 (Mariner-F) (Mars flyby) | 1969-02-24 | Mariner-6/7 type Mariner-6/7 type | ||
| Mariner-7 (Mariner-G) (Mars flyby) | 1969-03-27 | |||
| Mariner-8 (Mariner-H) [failed] | 1971-05-09 | Mariner-9 Mariner-9 | ||
| Mariner-9 (Mariner-I) (Mars orbiter) | 1971-05-30 | |||
| Mariner-10 (Mariner-J) (Venus and Mercury flybys) | 1973-11-03 | Mariner-10 | ||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Ranger-1 [incomplete mission] | 1961-08-23 | Ranger-1 | Ranger | Ranger |
| Ranger-2 [incomplete mission] | 1961-11-18 | |||
| Ranger-3 | 1962-01-26 | Ranger-3/4/5 type | ||
| Ranger-4 | 1962-04-23 | |||
| Ranger-5 | 1962-10-18 | |||
| Ranger-6 | 1964-01-30 | Ranger-6/7/8/9 type Ranger-6/7/8/9 type Ranger-7 | ||
| Ranger-7 | 1964-07-28 | |||
| Ranger-8 | 1965-02-17 | |||
| Ranger-9 | 1965-03-21 | |||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Lunar Orbiter-1 (Lunar Orbiter-A) | 1966-08-10 | Lunar Orbiter Lunar Orbiter Lunar Orbiter | Lunar Orbiter | Lunar Orbiter |
| Lunar Orbiter-2 (Lunar Orbiter-B) | 1966-11-06 | |||
| Lunar Orbiter-3 (Lunar Orbiter-C) | 1967-02-05 | |||
| Lunar Orbiter-4 (Lunar Orbiter-D) | 1967-05-04 | |||
| Lunar Orbiter-5 (Lunar Orbiter-E) | 1967-08-01 | |||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Surveyor-Pre-Model | 1963-11-27 | Surveyor | Surveyor | |
| Surveyor-Model | 1964-12-11 | Surveyor model | ||
| Surveyor-SD1 [failed] | 1965-03-02 | Surveyor-SD1 | ||
| Surveyor-SD2 | 1965-08-11 | |||
| Surveyor-SD3 | 1966-04-08 | |||
| Surveyor-1 (Surveyor-A) | 1966-05-30 | Surveyor | ||
| Surveyor-2 (Surveyor-B) [mission not completed] | 1966-09-20 | |||
| Surveyor-SD4 | 1966-10-26 | |||
| Surveyor-3 (Surveyor-C) | 1967-04-17 | Surveyor-3 | ||
| Surveyor-4 (Surveyor-D) [mission not completed] | 1967-07-14 | |||
| Surveyor-5 (Surveyor-E) | 1967-09-08 | |||
| Surveyor-6 (Surveyor-F) | 1967-11-07 | |||
| Surveyor-7 (Surveyor-G) | 1968-01-07 | |||
| Satellite (Spacecraft Bus*) | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Luna-(1a) (Ye-1 #1) [failed] | 1958-09-23 | Luna-1 Luna-1 | Luna | Luna |
| Luna-(1b) (Ye-1 #2) [failed] | 1958-10-11 | |||
| Luna-(1c) (Ye-1 #3) [failed] | 1958-12-04 | |||
| Luna-1 (Ye-1 #4) / Mechta | 1959-01-02 | |||
| Luna-(2a) (Ye-1A #1) [failed] | 1959-06-18 | Luna-2 | ||
| Luna-2 (Ye-1A #2) | 1959-09-12 | |||
| Luna-3 (Ye-2A #1) | 1959-10-04 | Luna-3 Luna-3 | ||
| Luna-(4a) (Ye-3 #1) [failed] | 1960-04-15 | |||
| Luna-(4b) (Ye-3 #2) [failed] | 1960-04-16 | |||
| Luna-(4c) (Ye-6 #1) / Sputnik-25 [failed] | 1963-01-04 | Kosmos-60 / Luna-(5c) (cruise) Kosmos-60 / Luna-(5c) (surface) | ||
| Luna-(4d) (Ye-6 #2) [failed] | 1963-02-03 | |||
| Luna-4 (Ye-6 #3) | 1963-04-02 | |||
| Luna-(5a) (Ye-6 #4) [failed] | 1964-03-21 | |||
| Luna-(5b) (Ye-6 #5) [failed] | 1964-04-20 | |||
| Luna-(5c) (Ye-6 #6) / Kosmos-60 [failed] | 1965-03-12 | |||
| Luna-(5d) (Ye-6 #7) [failed] | 1965-04-10 | |||
| Luna-5 (Ye-6 #8) | 1965-05-09 | |||
| Luna-6 (Ye-6 #9) | 1965-06-08 | |||
| Luna-7 (Ye-6 #10) | 1965-10-04 | |||
| Luna-8 (Ye-6 #11) | 1965-12-03 | |||
| Luna-9 (Ye-6 #12) | 1966-01-31 | |||
| Luna-(10a) (Ye-6S #1) / Kosmos-111 [failed] | 1966-03-01 | Luna-10 (cruise) Luna-10 (orbit) | ||
| Luna-10 (Ye-6S #2) | 1966-03-31 | |||
| Luna-11 (Ye-6LF #1) | 1966-08-24 | Luna-12 | ||
| Luna-12 (Ye-6LF #2) | 1966-10-22 | |||
| Luna-13 (Ye-6M #1) | 1966-12-21 | Luna-13 (cruise) Luna-13 (surface) | ||
| Kosmos-159 / Luna? (E-6LS #1) | 1965-03-12 | |||
| Luna-(14) (Ye-6LS #2) [failed] | 1968-02-07 | |||
| Luna-14 (Ye-6LS #3) | 1968-04-07 | |||
| Luna-(15b) (Ye-8-5 No.402) [failed] | 1969-04-14 | Luna-16 | ||
| Luna-15 (Ye-8-5 No.401) | 1969-07-13 | |||
| Luna-(16a) (Ye-8-5 No.403) / Kosmos-300 [failed] | 1969-09-23 | |||
| Luna-(16b) (Ye-8-5 No.404) / Kosmos-305 [failed] | 1969-10-22 | |||
| Luna-(16c) (Ye-8-5 No.405) [failed] | 1970-02-06 | |||
| Luna-16 (Ye-8-5 No.406) | 1970-09-12 | |||
| Luna-18 (Ye-8-5 No.407) | 1971-09-02 | |||
| Luna-20 (Ye-8-5 No.408) | 1972-02-14 | |||
| Luna-(17) / Lunokhod-(1) (Ye-8 No.201) [failed] | 1969-02-19 | Luna-17 Lunokhod-2 | ||
| Luna-17 / Lunokhod-1 (Ye-8 No.203) | 1970-11-10 | |||
| Luna-21 / Lunokhod-2 (Ye-8 No.204) | 1973-01-08 | |||
| Luna-19 (Ye-8LS No.202) | 1971-09-28 | |||
| Luna-22 (Ye-8LS No.206) | 1974-05-29 | |||
| Luna-23 (Ye-8-5M No.410) | 1974-10-28 | |||
| Luna-(24a) (Ye-8-5M No.412) [failed] | 1975-10-16 | |||
| Luna-24 (Ye-8-5M No.413) | 1976-08-09 | |||
| Luna-25 / Luna-Glob | 2019-? | Luna-Glob | ||
*Spacecraft Bus designations and reference images were obtained from Gunter's Space Page.
| Satellite (Spacecraft Bus*) | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Zond-(1a) (3MV-1A #1) (Venus) [failed] | 1964-02-19 | Zond-1 Zond | Zond | Zond |
| Zond-1 (3MV-1 #2) (Venus) | 1964-04-02 | |||
| Zond-2 (3MV-4 #1) (Mars) | 1964-11-30 | Zond-3 | ||
| Zond-3 (3MV-4 #2) (Moon) | 1965-07-18 | |||
| Zond-(4a) (L1 #4) [failed] | 1967-09-27 | Zond-L1 | ||
| Zond-(4b) (L1 #5) [failed] | 1967-11-22 | |||
| Zond-4 (L1 #6) | 1968-03-02 | |||
| Zond-(5a) (L1 #7) [failed] | 1968-04-22 | |||
| Zond-5 (L1 #9) (Moon) | 1968-09-14 | |||
| Zond-6 (L1 #12) (Moon) | 1968-11-10 | |||
| Zond-(7a) (L1 #13) [failed] | 1969-01-20 | |||
| Zond-7 (L1 #7) (Moon) | 1969-08-07 | |||
| Zond-8 (L1 #14) (Moon) | 1970-10-20 | |||
*Spacecraft Bus designations and reference images were obtained from Gunter's Space Page.
| Satellite (Spacecraft Bus*) | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Mars-(1a) (1M #1) [failed] | 1960-10-10 | Mars-1m | Mars | Mars |
| Mars-(1b) (1M #2) [failed] | 1960-10-14 | |||
| Mars-(1c) (2MV-4 #1) / Sputnik-22 [failed] | 1962-10-24 | Mars-1 | ||
| Mars-1 (2MV-4 #2) / Sputnik-23 (Mars flyby) | 1962-11-01 | |||
| Mars-(2a) (2MV-3 #1) / Sputnik-24 [failed] | 1962-11-04 | |||
| Mars-(2b) (M-69 #1) [failed] | 1969-03-27 | Mars-69 | ||
| Mars-(2c) (M-69 #2) [failed] | 1969-04-02 | |||
| Mars-(2d) (M-71 #1) / Kosmos-419 [failed] | 1971-05-10 | Mars-3 Mars-3 (lander) | ||
| Mars-2 (M-71 #2) | 1971-05-19 | |||
| Mars-3 (M-71 #3) | 1971-05-28 | |||
| Mars-4 (M-73 Orbiter #1) | 1973-07-21 | Mars-4 | ||
| Mars-5 (M-73 Orbiter #2) | 1973-07-25 | |||
| Mars-6 (M-73 Lander #1) | 1973-08-05 | Mars-3 Mars-3 (lander) | ||
| Mars-7 (M-73 Lander #2) | 1973-08-09 | |||
| Mars-8 (Mars-96) | 1996-11-16 | Mars-8 (orbiter) Mars-8 (lander) | ||
*Spacecraft Bus designations and reference images were obtained from Gunter's Space Page.
| Satellite (Spacecraft Bus*) | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Venera-(1a) (1VA #1) / Sputnik-7 [partial failure] | 1961-02-04 | Venera-1 | Venera | Venera |
| Venera-1 (1VA #2) / Sputnik-8 | 1961-02-12 | |||
| Venera-(2a) (2MV-1 #1) / Sputnik-19 [failed] | 1962-08-25 | Venera-2mv-1 | ||
| Venera-(2b) (2MV-1 #2) / Sputnik-20 [failed] | 1962-09-01 | |||
| Venera-(2c) (2MV-2 #1) / Sputnik-21 [failed] | 1962-09-12 | |||
| Venera-(2d) (3MV1 #1) / Kosmos-27 [failed] | 1964-03-27 | Zond-1 Kosmos-27 (3mv-1) | ||
| Venera-2 (3MV-4 #3) | 1965-11-12 | Zond-3 Kosmos-96 (3mv-4) | ||
| Venera-(4a) (3MV-4 #4) / Kosmos-96 [failed] | 1965-11-23 | |||
| Venera-3 (3MV-3 #1) | 1965-11-16 | Venera-3 | ||
| Venera-4 (V-67 #1) | 1967-06-12 | |||
| Venera-(5a) (V-67 #2) / Kosmos-167 [failed] | 1967-06-17 | |||
| Venera-5 (V-69 #1) | 1969-01-05 | Venera-6 Venera-7 (capsule) | ||
| Venera-6 (V-69 #2) | 1969-01-10 | |||
| Venera-7 (V-70 #1) | 1970-08-17 | Venera-7 Venera-7 (capsule) | ||
| Venera-(8a) (v-70 #1) / Kosmos-359 [failed] | 1970-08-22 | |||
| Venera-8 (V-72 #1) | 1972-03-27 | Venera-8 Venera-7 (capsule) | ||
| Venera-(9a) (V-72 #2) / Kosmos-482 [failed] | 1972-03-31 | |||
| Venera-9 (4V1 #1) | 1975-06-08 | Venera-10 Venera-9 (lander) | ||
| Venera-10 (4V1 #2) | 1975-06-14 | |||
| Venera-11 (4V1 #3) | 1978-09-09 | |||
| Venera-12 (4V1 #1) | 1978-09-14 | |||
| Venera-13 (4V1M #1) | 1981-10-30 | Venera-10 Venera-13 (lander) | ||
| Venera-14 (4V1M #2) | 1981-11-04 | |||
| Venera-15 (4V2 #1) | 1983-06-02 | Venera-16 | ||
| Venera-16 (4V2 #2) | 1983-06-07 | |||
*Spacecraft Bus designations and reference images were obtained from Gunter's Space Page.
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Phobos-1 (orbiter) | 1988-07-07 | Phobos-1 | Phobos | Phobos |
| Phobos-2 | 1988-07-12 | Phobos-2 | ||
| Phobos-Grunt [incomplete mission] | 2011-11-09 | Phobos-Grunt Phobos-Grunt | ||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
(Planet-A1 — Planet-A2) | (Earlier) Planet (cometary) | (Earlier) Planet (cometary) | ||
| Planet-B / Nozomi (Mars) | 1998-07-03 | Planet-B | (Later) Planet (planetary) | (Later) Planet (planetary) |
| Planet-C / VCO / Akatsuki (Venus) | 2010-05-20 | Planet-C | ||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Muses-A / Hiten Muses-A lunar orbiter / Hagoromo | 1990-01-24 | Muses-A + lunar orbiter Muses-A lunar orbiter | Muses | Muses |
| Muses-B / Haruka / HALCA / VSOP | 1997-02-12 | Muses-B | ||
| Muses-C / Hayabusa, MINVERVA | 2003-05-09 | Muses-C MINERVA | ||
| Muses-C follow-on / Hayabusa-2, MASCOT, MINERVA-2 | 2014-12-03 | Hayabusa-2 Hayabusa-2+MASCOT MINERVA-2 | ||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Viking-DS [failed] | 1974-02-11 | Viking-DS | Viking | Viking |
| Viking-1 (Viking-A, Mars orbiter and lander) | 1975-08-20 | Viking orbiter Viking lander Viking (patch) Viking (patch) | ||
| Viking-2 (Viking-B, Mars orbiter and lander) | 1975-09-09 | |||
| Viking-3 (Mars rover) | Canceled | Viking-3 rover | ||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Voyager-2 (Voyager-B) (Jupiter, Saturn, Uranus, and Neptune flybys) | 1977-08-20 | Voyager Voyager (patch) Voyager (patch) | Voyager | Voyager |
| Voyager-1 (Voyager-A) (Jupiter and Saturn flybys) | 1977-09-05 | |||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Chang'e-1 (lunar orbiter) | 2007-10-24 | Chang'e-1 | Chang'e | Chang'e |
| Chang'e-2 (lunar orbiter and asteroid flyby) | 2010-10-01 | Chang'e-2 | ||
| Chang'e-3 (lunar lander) / Yutu (lunar rover) | 2013-12-01 | Chang'e-3 (lander) Chang'e-3 (Yutu lunar rover) | ||
| Chang'e-5-T1 (lunar orbiter and re-entry capsule) | 2014-10-23 | Chang'e-5-T1 (orbiter) Chang'e-5-T1 (capsule) | ||
| Chang'e-4 (lunar lander) / Yutu (lunar rover) | 2018-12-07 | |||
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Mars Pathfinder / Sojourner (rover) / Discovery-1 | 1996-12-04 | Mars Pathfinder Mars Pathfinder/Sojourner Mars Pathfinder/Sojourner Mars Pathfinder/Sojourner (patch) Mars Pathfinder/Sojourner (patch) | Mars Pathfinder/Sojourner | Mars Pathfinder/Sojourner |
| MER-2 (Mars Exploration Rover-A) / Spirit (rover) | 2003-06-10 | MER-A MER-A lander/rover MER/Spirit (patch) MER/Opportunity (patch) | MER-A/Spirit | MER/Spirit and Opportunity |
| MER-1 (Mars Exploration Rover-B) / Opportunity (rover) | 2003-07-08 | MER-B/Opportunity | ||
| MSL (Mars Science Laboratory) / Curiosity (rover) | 2011-11-26 | MSL MSL/Curiosity MSL/Curiosity MSL/Curiosity (patch) MSL/Curiosity (patch) MSL/Curiosity (patch) | MSL/Curiosity | MSL/Curiosity |
| Satellite | Launch Date | Images | ||
|---|---|---|---|---|
| reference | launch covers | other postal items | ||
| Magellan (Venus orbiter) [STS-30R/Atlantis-deployed] | 1989-05-04 | Magellan Magellan Magellan (patch) Magellan (patch) | Magellan | Magellan |
| Galileo (Jupiter orbiter) [STS-34/Atlantis-deployed] | 1989-10-18 | Galileo Galileo Galileo Galileo (STS-34/Atlantis-deployment, booster attached) Galileo probe Galileo (patch) Galileo (patch) Galileo (patch) | Galileo | Galileo |
| Mars Observer (orbiter) | 1992-09-25 | Mars Observer Mars Observer Mars Observer Mars Observer (patch) Mars Observer (patch) | Mars Observer | Mars Observer |
| Clementine-1 / DSPSE-1 (lunar orbiter) | 1994-01-25 | Clementine-1 | Clementine-1 Clementine-1 Clementine-1 (back) Clementine-1 (insert) | Clementine Clementine |
| Clementine-2 / DSPSE-2 | Canceled | Clementine-2 | ||
| Marsnet | Canceled | Marsnet | ||
| NEAR / Shoemaker / Discovery-2 (Eros asteroid) | 1996-02-17 | NEAR NEAR NEAR (patch) | NEAR / Shoemaker | NEAR / Shoemaker |
| MGS (Mars Global Surveyor) | 1996-11-07 | MGS MGS (patch) MGS (patch) MGS (patch) | MGS | MGS |
| Cassini-Huygens (Saturn) | 1997-10-15 | Cassini-Huygens Cassini-Huygens (patch) Cassini (patch) Cassini-CIRS (patch) Huygens (patch) | Cassini-Huygens | Cassini-Huygens |
| Lunar Prospector / Discovery-3 (lunar orbiter) | 1998-01-07 | Lunar Prospector Lunar Prospector (patch) | Lunar Prospector | Lunar Prospector |
| MCO (Mars Climate Orbiter) [lost]2 | 1998-12-11 | MCO | MCO | MCO |
| MPL (Mars Polar Lander) / Deep Space-21 / NMP [lost] | 1999-01-03 | MPL DS-2 | MPL+DS-2 | MPL+DS-2 |
| Mars Surveyor Lander | Canceled | Mars Surveyor (patch) | Mars Surveyor Lander | |
| Mars Surveyor Orbiter (renamed as Mars Odyssey, spacecraft body became PML) | Canceled | Mars Surveyor (patch) | Mars Surveyor Orbiter Mars Surveyor Orbiter | |
| Mars Odyssey (renamed from Mars Surveyor Orbiter) | 2001-04-07 | Mars Odyssey Mars Odyssey (patch) | Mars Odyssey | Mars Odyssey |
| Multi-Scout Mars Lander | Canceled | "Multi-Scout Mars Lander" "Multi-Scout Mars Lander" "Multi-Scout Mars Lander" "Multi-Scout Mars Lander" "Multi-Scout Mars Lander" "Multi-Scout Mars Lander" "Multi-Scout Mars Lander" | ||
| MESSENGER / Discovery-8 (Mercury orbiter) | 2004-08-03 | MESSENGER MESSENGER (patch) | MESSENGER | MESSENGER |
| MRO (Mars Reconnaissance Orbiter) | 2005-08-12 | MRO MRO (patch) MRO (patch) MRO (patch) MRO (patch) | MRO | MRO |
| New Horizons / New Frontiers-1 (formerly Kuiper Express, Pluto flyby) | 2006-01-19 | New Horizons New Horizons (patch) | New Horizons | New Horizons |
| PML (Phoenix Mars Lander) / Mars Scout-1 | 2007-08-04 | PML PML (patch) | PML | PML |
| Dawn / Discovery-9 (Vesta and Ceres asteroids) | 2007-09-27 | Dawn Dawn (old configuration) | Dawn | Dawn |
| LRO (lunar orbiter) | 2009-06-18 | LRO LRO and LCROSS (patch) | LRO and LCROSS | LRO |
| LCROSS (lunar impact) | 2009-06-18 | LCROSS LRO and LCROSS (patch) | LCROSS | |
| JUNO / New Frontiers-2 (Jupiter orbiter) | 2011-08-05 | JUNO JUNO (patch) JUNO (patch) JUNO (patch) | JUNO | JUNO |
| GRAIL-A/B / Ebb/Flow / Discovery-11 (lunar orbiter) | 2011-09-10 | GRAIL | GRAIL | GRAIL |
| LADEE (lunar orbiter) | 2013-09-06 | LADEE LADEE (patch) | LADEE | LADEE |
| MAVEN / Mars Scout-2 (Mars orbiter) | 2013-11-18 | MAVEN MAVEN (patch) MAVEN (patch) | MAVEN | MAVEN |
| OSIRIS-REx / New Frontiers-3 (asteroid sample-return) | 2016-09-08 | OSIRIS-REx | OSIRIS-REx | OSIRIS-REx |
| InSight / Discovery-12 (Mars surface) | 2018-05-05 | InSight (cruise) InSight (lander) | InSight | InSight |
| Lucy / Discovery-13 (asteroid visits) | 2021-? | |||
| Psyche / Discovery-14 (asteroid visit) | 2022-? | |||
1Deep Space-2 consists of a set of two probes launched with the Mars Polar Lander (MPL). However, all contact with both MPL and DS-2 was lost after landing.
2The Mars Climate Orbiter (MCO) was lost as it was occulted by Mars (went behind Mars as viewed from Earth). The root cause of the loss was found to be the use of English units for thruster performance data generated by a ground based computer program. This data was used in the construction of trajectory models for the spacecraft, and the modellers assumed the data was in metric units as per the specifications.
| Satellite | Country | Launch Date | Images | ||
|---|---|---|---|---|---|
| reference | launch covers | other postal items | |||
| Mars Express (orbiter) [success] / Beagle-2 (lander) [failed] | Europe (ESA) | 2003-06-02 | Mars Express Mars Express Mars Express Mars Express Beagle-2 Mars Express (patch) Mars Express (patch) Mars Express (patch) | Mars Express | Mars Express |
| SMART (lunar orbiter) | Sweden (ESA) | 2003-09-27 | SMART-1 SMART-1 (patch) | SMART | SMART |
| Venus Express (orbiter) | Europe (ESA) | 2005-11-09 | Venus Express Venus Express (patch) | Venus Express | Venus Express |
| Kaguya / SELENE (lunar orbiter) | Japan (JAXA) | 2007-09-14 | SELENE | SELENE | SELENE |
| NetLander (Mars orbiter and 4 landers) | Europe (CNES and ESA) | Canceled | "Net Lander (2007)" "Net Lander (2007)" | ||
| Chandrayaan-1 (lunar orbiter) | India (ISRO) | 2008-10-22 | Chandrayaan-1 Chandrayaan-MIP (probe) | Chandrayaan | Chandrayaan |
| Lunar-A (lunar orbiter) | Japan (JAXA) | Canceled | Lunar-A | "Lunar-A" "Lunar-A" | |
| Marco Polo (asteroid sample-return) | Europe (ESA) / Japan (JAXA) | Canceled | Marco Polo | Marco Polo | |
| MOM / Mangalyaan (Mars orbiter) | India (ISRO) | 2013-11-05 | MOM MOM (patch) | Mangalyaan/MOM | Mangalyaan/MOM |
| PROCYON (asteroid flyby) | Japan (JAXA) | 2014-12-03 | PROCYON | PROCYON | PROCYON |
| ExoMars 2016 (TGO and EDM/Schiaparelli) | Europe (ESA) | 2016-03-14 | TGO EDM | ExoMars | ExoMars |
| Queqiao1 (Chang'e-4 relay) | China/PRC | 2018-05-20 | Queqiao | Queqiao (launch) Queqiao (enters L2 halo orbit) | |
| DSLWP-A1 (Longjiang-1), DSLWP-A2 (Longjiang-2) | China/PRC | 2018-05-20 | Longjiang-1/2 type Longjiang-1/2 type | ||
| BepiColombo (Mercury orbiter) | Europe (ESA) / Japan (JAXA) | 2018-10-20 | BepiColombo BepiColombo-MMO BepiColombo-MPO BepiColombo (patch) | BepiColombo | BepiColombo |
| ExoMars (rover) | Europe (ESA) | 2020-? | ExoMars ExoMars (rover) ExoMars (orbiter and rover) | ||
| EMM / Al-Amal / Hope | UAE | 2020-? | Al-Amal/Hope Al-Amal/Hope | Al-Amal/Hope Al-Amal/Hope Al-Amal/Hope | |
| Hera | Europe (ESA) | 2020-? | Hera | Hera Hera | |
| DART | Europe (ESA) | 2020-? | DART | ||
1The Chang'e-4 lander and the Yutu-2 rover are on the far side of the Moon and so cannot communicate directly with Earth. The Queqiao relay satellite, in orbit at a location beyond the Moon from which it has a clear view of both the landing site and Earth, receives signals from the lander and rover and relays them to Earth.
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