unknown satellite

Canceled Spacecraft and Forerunners
(which are depicted and named on postal items)


Below is a list of Canceled Spacecraft and Forerunner postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.). Catalog numbers, years of issue, and notes on the spacecraft are given when available. If viewers know of additional information or details about these items, please contact the authors using the e-mail addresses at the bottom of this page.

A canceled spacecraft is one that was designed and possibly even built but never launched! This page features only those canceled spacecraft for which postal items have been found that depict and name those spacecraft as future un-manned satellites. The stipulation that a spacecraft be named on postal items separates them from many other Unknown-identity or fantasy-design satellites. Also, other canceled spacecraft for which no postal items are found are not presented here.

A few other canceled spacecraft are found on other pages where they accompany similar missions that were launched. Those spacecraft are listed at the bottom of this page and links are provided to where postal items for these canceled spacecraft are found.

Not included in this collection of canceled spacecraft are any individual canceled spacecraft that are part of multiple-satellite series, where particular spacecraft in the series are either missing or skipped, or the series ended before the last of the spacecraft were built and launched.

Forerunner spacecraft are canceled spacecraft that preceded (but were never launched) and were later transformed/reworked into other spacecraft. These forerunners are presented along with the satellites that followed or were derived from the canceled forerunners.

Launch covers
(including anniversary-of-launch covers, and launch-related event covers)
(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
(immediately below)
Canceled Spacecraft
(which are depicted and named on postal items)
(found below)
MCIM1 (NASA) [canceled]
CNSR9 (NASA) [canceled]
Marsnet8 (ESA/ESTEC) [canceled] Marsnet8 (ESA/ESTEC) [canceled]
Mars Water10 (country and/or agency?) [canceled]
Multi-Scout Mars Lander14 (NASA) [canceled]
NetLander15 (CNES/ESA) [canceled]
Lunar-A16 (JAXA) [canceled]
GRASP11 (Europe/ESA) [canceled]
STARS19 (ESA) [canceled]
XEUS20 (ESA) [canceled]
Darwin2 (ESA) [canceled]
AGORA13 (CNES) [canceled]
APMT18 (China/PRC and others) [canceled]
Cariane3 (France/CNES) [canceled]
Marco Polo4 (ESA-JAXA) [canceled]
Other Canceled Spacecraft as Forerunners
(which are depicted and named on postal items)
(found elsewhere)


This is a place for philatelic items of interest that otherwise are Canceled Spacecraft on postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Canceled Spacecraft (which are depicted and named on postal items)
MCIM1 (NASA) [canceled]
Central African Republic782 (Mi1190A)
i782 (Mi1190B)

Imperforate
1985"Sonde de la NASA" (MCIM)1
Central African Republic782a (BL361A)
i782a (BL361B)
On stamp of SS1 (782)
On stamp of imperforate SS1
Central African Republic784b (Mi1187A-1192A)
i784b (Mi1187B-1192B)
On one of MS6 (779-784)
On one of imperforate MS6 (i779-i784)
Central African Republic785 (BL357A)
i785 (BL357B)
On stamp of SS1
On stamp of imperforate SS1
Guinea Republic989 (Mi1111A)
i989 (Mi1111B)

Imperforate
1986"Sonde NASA" (MCIM)1
Guinea Republic989a (BL218A)
i989a (BL218B)
On stamp of SS1 (989)
On stamp of imperforate SS1 (i989)
Guinea Republic989b (Mi1106A-1111A)On one of MS6 (984-989)
Guinea Republic990 (BL212A)
i990 (BL212B)
In (upper-right) margin of SS1
In (upper-right) margin of imperforate SS1
Guinea RepublicMi1113A
Mi1113B
From MS4 (4x Mi1113A)
From imperforate MS4 (4x Mi1113B)
MCIM1 (at left)
Guinea RepublicBL219A
BL219B
On stamp of SS1 (Mi1113A)
On stamp of imperforate SS1 (Mi1113B)
CNSR9 (NASA) [canceled]
Guinea RepublicB39a (BL328A, Mi1250A)In (lower-left) margin of SS1 (B39)1989"Sonde CNSR"9
Marsnet8 (ESA/ESTEC) [canceled]
Chad683b (Mi1358aA)
i683b (Mi1358aB)
One of pair (683 (a-b)), white border (Mi1357aA-1358aA)
One of imperforate pair (i683 (a-b)), white border
1996"multi-sondes Marsnet"8
Chad683cb (Mi1358bA)
i683cb (Mi1358bB)
One of MS2 (683c (a-b), blue border (BL256A, Mi1357bA-1358bA)
One of imperforate MS2 (i683c (a-b)), blue border
Mars Water10 (country and/or agency?) [canceled]
Nevis1212b (Mi1564)
i1212b
One of MS6 (1212 (a-f)) (Mi1563-1568)
One of imperforate MS6 (i1212 (a-f))
2000"Mars Water"10
Multi-Scout Mars Lander14 (NASA) [canceled]
Guinea Republic2224 (Mi4054A)
i2224 (Mi4054B)

Imperforate
2003"Multi-Scout Mars Lander"14
Guinea Republic2224a (BL818A)
i2224a (BL818B)
On stamp of SS1 (2224)
On stamp of imperforate SS1 (i2224)
Guinea Republic2224a fdcSS1 on FDC
Guinea Republic2224b (BL none)
i2224b
MS4 (4x 2224)
Imperforate MS4 (4x i2224)
Guinea Republic2224b fdcMS4 on FDC
NetLander15 (CNES/ESA) [canceled]
Guinea Republic2232h (Mi4064A)
i2232h (Mi4064B)
One of MS8 (2232 (a-h)) (Mi4057A-4064A)
One of imperforate MS8 (i2232 (a-h)) (Mi4057B-4064B)
2003"Net Lander (2007)"15
Guinea Republic2232 fdcMS8 on FDC
Lunar-A16 (JAXA) [canceled]
Guinea RepublicMi6516A
Mi6516B
One of MS6 (Mi6512A-6517A)
Imperforate
2009"Lunar-A"16
GRASP11 (Europe/ESA) [canceled]
Guinea RepublicB43a (BL332A, Mi1254A)In (lower-left) margin of SS1 (B43)1989"TÚlescope GRASP"11
STARS19 (ESA) [canceled]
Chad720a (BL281, Mi1641)In (left) margin of SS1 (720)1997"STARS"19
XEUS20 (ESA) [canceled]
Guinea Republic2232f (Mi4062A)
i2232f (Mi4062B)
One of MS8 (2232 (a-h)) (Mi4057A-4064A)
One of imperforate MS8 (i2232 (a-h)) (Mi4057B-4064B)
2003"tÚlescope spatial XEUS"20
Guinea Republic2232 fdcMS8 on FDC
Darwin2 (ESA) [canceled]
BeninUnknown b (Mi none)One of MS2 (a-b) [known illegal issue]2017"Darwin tÚlescope spatial"
DjiboutiUnknown ms (Mi none)On stamp and label from MS2 (2x unknown) [known illegal issue]2014"Darwin"
DjiboutiUnknown fdcMS2 on FDC
DjiboutiUnknown iss (BL none)On stamp of imperforate SS1 [known illegal issue]
GabonUnknown a (Mi?)
Unknown ia
One of MS4 (a-d)
One of imperforate MS4 (a-d)
2016"Darwin"
GabonUnknown fdc
Unknown ifdc
MS4 on FDC
Imperforate MS4 and (multi-color printed) cachet on FDC
GabonUnknown a-d fdcOne of four stamps on FDC
Guinea Republic2232b (Mi4058A)
i2232b (Mi4058B)
One of MS8 (2232 (a-h)) (Mi4057A-4064A)
One of imperforate MS8 (i2232 (a-h)) (Mi4057B-4064B)
2003"tÚlescope spatial Darwin"
Guinea Republic2232 fdcMS8 on FDC
AGORA13 (CNES) [canceled]
Central African Republic848a (BL412A)
i848a (BL412B)
In (upper-right) margin of SS1 (848)
In (upper-right) margin of imperforate SS1 (i848)
1987"Sonde AGORA"13
APMT18 (China/PRC and others) [canceled]
Niger1071a (Mi1883A)
i1071a (Mi1883B)
One of MS4 (1071 (a-d)) (Mi1883A-1886A)
One of imperforate MS4 (i1071 (a-d))
2001"... Asian Mobile Sat System" (APMT)18
Cariane3 (France/CNES) [canceled]
Comoro Islands791 (Mi997A)
i791 (Mi997B)
More perforations than MS6 or SS1, and no inscriptions at bottom1992"Cariane"
Comoro Islands791 var (Mi997A)
i791 var (Mi997B)
One of MS6 (795a (790-795)) (Mi996A-1001A)
One of imperforate MS6 (i795a (i790-i795)) (Mi996B-1001B)
Comoro Islands791b (BL374A)
i791b (BL374B)
On stamp of SS1 (791)
On stamp of imperforate SS1 (i791)
Marco Polo4 (ESA-JAXA) [canceled]
BeninUnknown c (Mi none)
Unknown ic
One stamp and in (left) margin of MS4 (a-d) [known illegal issue]
One stamp and in (left) margin of imperforate MS4 (a-d)
2014"Marco Polo" and logo
BeninUnknown a-d fdcOne of four stamps on FDC
BeninUnknown c proof
Unknown ic proof
One of MS4 proof (a-d)
One of imperforate MS4 proof (a-d)
BeninUnknown ms proofSigned-proof MS4 (a-d)
BeninUnknown ms proof fdc
Unknown ims proof fdc
MS4 proof on FDC
Imperforate MS4 proof and (multi-color printed) cachet on FDC
ChadUnknown (Mi?)2010"Marco Polo"
ChadUnknown fdcStamp and (multi-color printed) cachet on FDC
ChadUnknown ss (BL?)On stamp of SS1
ChadUnknown ss fdcSS1 and (multi-color printed) cachet on FDC
St. Thomas and Prince IslandsUnknown ms (Mi?)In (lower-left) margin of MS9 (a-i)2004"Marco Polo" logo (different satellite and logo design from others in this section)
St. Thomas and Prince IslandsUnknown ms fdcMS9 and (multi-color printed) cachet on FDC

1MCIM: Multi-Comet Intercept Mission spacecraft, a mission that was canceled; see https://ntrs.nasa.gov/search.jsp?R=19760028353.
2Darwin: A proposed constellation of four or five free-flying spacecraft designed to search for Earth-like planets around other stars and analyse their atmospheres for chemical signatures of life. See https://www.esa.int/Science_Exploration/Space_Science/Darwin_overview.
3Cariane: A microgravity research capsule in low-Earth orbit. See https://arc.aiaa.org/doi/abs/10.2514/6.1991-878.
4Marco Polo: A proposed joint ESA-JAXA mission to return unaltered materials from a primitive Near Earth Object (NEO) to the Earth. See https://ui.adsabs.harvard.edu/abs/2008epsc.conf..610G/abstract.
8Marsnet: A Mars-orbiting communications and navigation spacecraft constellation, an ESA/ESTEC mission that was canceled. See https://ntrs.nasa.gov/citations/19940028693.
9CNSR: Comet Nucleus Sample Return spacecraft, a mission that was canceled. See http://adsabs.harvard.edu/full/1987LPI....18...11A. Another proposal was the "multiple asteroid sample return mission"; see https://ntrs.nasa.gov/citations/19940021199.
10Mars Water: The authors have been unable to find any evidence for such a proposed spacecraft. We speculate that it might be a design that never got past the preliminary concept stage.
11GRASP: Gamma-Ray Astronomy with Spectroscopy and Positioning spacecraft, an European mission and spacecraft that was canceled. See https://www.academia.edu/13707677/The_GRASP_telescope.
13AGORA: Affordable and Guaranteed Offers for Rural Areas (a broadband communications access service planned by the French CNES, but canceled). See http://globalforum.items-int.com/gf/gf-content/uploads/2014/04/GF04_-_Session_1_-_B_Mathieu.pdf.
14Multi-Scout Mars Lander: An early concept under consideration by NASA to be the first Scout mission in 2007. See http://www.fourth-millennium.net/mission-artwork/mars-multi-scout-landers-home.html for some artwork of this proposed mission.
15NetLander: In late 2007 CNES and ESA canceled plans to send a remote sensing orbiter and four small NetLanders to Mars. See https://en.wikipedia.org/wiki/NetLander.
16Lunar-A: A canceled Japanese lunar orbiter that was originally scheduled to be launched in August 2004. See https://global.jaxa.jp/projects/sat/lunar_a/index.html.
18APMT: Asia Pacific Mobile Telecom (China/PRC-dominated spacecraft-based mobile phone system). See https://www.globalsecurity.org/space/world/china/apmt.htm.
19STARS: Seismic Telescope for Astrophysical Research from Space (proposed ESA astronomy mission). See https://adsabs.harvard.edu/full/1995ASPC...83..455R.
20XEUS: X-ray Evolving Universe Spectroscopy (ESA astronomy mission). See https://www.academia.edu/67612957/XEUS_the_x_ray_evolving_universe_spectroscopy_mission.


This is a place for philatelic items of interest that otherwise are Canceled Spacecraft on satellite launch and event and anniversary covers.

CountryCancel DateCancel LocationType of ItemNotes on Content
Canceled Spacecraft (which are depicted and named on postal items)
Marsnet8 (ESA/ESTEC) [canceled]
French Guiana1992-07-09Kourou(ESA / KPS ?) cachet on Insat-2A and Eutelsat-2-F4 launch cover(possible) Marsnet8 [canceled]

8Marsnet: A Mars-orbiting communications and navigation spacecraft constellation, an ESA/ESTEC mission that was canceled.


Other Canceled Spacecraft as Forerunners
(which are depicted and named on postal items)
(found elsewhere)
Spacecraft (country and/or agency)Type/Discipline
Mariner Mark II (NASA)planetary-exploration
CRAF (NASA)cometary-exploration
asteroid-exploration
Mars Surveyor 1998 Orbiter (NASA)planetary-exploration
Mars Surveyor 1998 Lander (NASA)planetary-exploration
Mars Surveyor 2001 Orbiter (NASA)planetary-exploration
Mars Surveyor 2001 Lander (NASA)planetary-exploration




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Updated: 2022-09-20