Ohsumi

Ohsumi and IKAROS
(and other Japanese scientific satellites)

IKAROS
OhsumiIKAROS

This page contains philatelic information on the Ohsumi and IKAROS (and other Japanese scientific satellites). Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

Launch information
(found elsewhere)
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)
Ohsumi
(Japan)
Ohsumi
(Japan)
Ohsumi
(Japan)
Shinsei
(Japan)
Shinsei
(Japan)
Shinsei
(Japan)
Shinsei (on other than Shinsei launch covers)
ISS / Ume
(Japan)
ISS / Ume
(Japan)
ISS / Ume
(Japan)
CORSA-B / Hakucho
(Japan)
CORSA-B / Hakucho
(Japan)
CORSA-B / Hakucho
(Japan)
COMETS / Kakehashi
(Japan)
COMETS / Kakehashi
(Japan)
COMETS / Kakehashi
(Japan)
OICETS / Kikari
(Japan)
OICETS / Kikari
(Japan)
OICETS / Kikari
(Japan)
IKAROS
(Japan)
IKAROS
(Japan)
IKAROS
(Japan)


Below is a list of Ohsumi and IKAROS (and other Japanese scientific satellite) postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Ohsumi (Japan)
AjmanMi1220A
Mi1220B

Imperforate
1971"Ohsumi" (with launch rocket attached)
AjmanMi1220 ssSS1 (Mi1220)
AjmanMi1217_ss+Mi1219-1220_ss fdcOne of three SS1 on FDC
Japan2881c (Mi3650)One of strip of 5 (2881 (a-e)), or two stamps and in (upper-right) margin of MS10 (2881f (2x (2881 (a-e)))), or one stamp and in (upper-right) margin of MS10 (2882 (2881 (b-e) + 2882 (2x (a-c))))2004Ohsumi
Shinsei (Japan)
United Nations256 fdc (Mi279 fdc)(Space Voyage) cachet on FDC1975"Shinsei"
ISS / Ume (Japan)
No (non-launch cover) postal items found
CORSA-B / Hakucho (Japan)
No (non-launch cover) postal items found
COMETS / Kakehashi (Japan)
Japan2548 fdc1 (Mi2427 fdc1)Cancel on FDC (? cachet)1996COMETS / Kakehashi
Japan2548 fdc2Cancel (same) on FDC (? cachet)
Japan2548 fdc3Cancel (same) on FDC (? cachet)
Japan2549 (Mi2426)
Japan2549 fdcStamp on FDC (? cachet)
OICETS / Kikari (Japan)
TurkmenistanMiA1852006OICETS launch (with launch date)
Interplanetary Kite-craft Accelerated by Radiation Of the Sun (IKAROS) (Japan)
BeninUnknown a (Mi?)One of MS4 (a-d)2013"IKAROS"
Central African RepublicMi3818One of MS4 (Mi3817-3820)2012"IKAROS"
Central African RepublicMi3817-3120_ms4 fdcMS4 on FDC
ChadUnknown b (Mi?)
Unknown ib
One of MS4 (a-d)
One of imperforate MS4 (a-d)
2013"IKAROS"
ChadUnknown b proofOne of MS4 proof (a-d)
ChadUnknown ms fdc
Unknown ims fdc
MS4 on FDC
Imperforate MS4 on FDC
ChadUnknown a-d fdcOne of four stamps on FDC
Guyana4055b (Mi8147)One of MS4 (4055 (a-d)) (Mi8146-8149)2011"IKAROS"
Guyana4055 proofSigned proof (4055)
Guyana4055 fdcMS4 on FDC
Mozambique2134 (Mi4179-4184)MS6 (2134 (a-f))2010"IKAROS"
Mozambique2134 fdcMS6 and cachet on FDC
Mozambique2135 (BL389)SS1
Mozambique2135 fdcSS1 on FDC
Mozambique2134d-e cover (Mi4182-4183 cover)Two stamps on cover2013"IKAROS"
St. Vincent1481 (Mi1733)
i1481

Imperforate
1991Early-design solar sail similar to IKAROS (this concept was imagined as a competitor in a solar sailing race to Mars (later changed to the Moon) that was proposed to take place in 1992 by the American Columbus Quincentennial Consortium to celebrate the 500th anniversary of Columbus' voyage to America).
Sierra LeoneUnknown a (Mi?)One of MS4 (a-d)2018"IKAROS"
Sierra LeoneUnknown ss (BL?)In (lower) margin of SS12018"IKAROS"
United StatesNone(Zazzle.com) personalized postage, from sheet of 202011


Below is a list of Ohsumi and IKAROS (and other Japanese scientific satellite) launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
pre-Ohsumi
Japan1966-09-26Yotsuya(Rank velvet) cachet on coverpre-Ohsumi-1 "Lamda-4s" launch [failed]
Japan1966-12-20Yotsuya(Rank velvet) cachet on coverpre-Ohsumi-2 "Lamda-4s" launch [failed]
Japan1967-04-13Yotsuya(Rank velvet) cachet on coverpre-Ohsumi-3 "Lamda-4s" launch [failed]
Japan1967-04-13Uchinoura(Rank velvet) cachet on coverpre-Ohsumi-3 "Lamda-4s" launch [failed]
1970-02-11: Ohsumi
Great Britain1970-02-11?(Printed) cachet on coverOhsumi launch
Japan1970-02-11Uchinoura(Rank velvet) cachet on coverOhsumi "Lamda-4s5" launch
United States1970-02-11Colorado Springs CO(R.E. Nichol) cachet on coverOhsumi launch
1971-09-28: Shinsei
Japan1971-09-28Uchinoura(Space Voyage) cachet on coverShinsei launch
Japan1971-09-28Uchinoura(Black printed) cachet on coverShinsei launch
Shinsei (on other than Shinsei launch covers)
Japan1971-02-16Uchinoura (scenic cancel)(Black printed) cachet on Tansei-1 launch cover"Tansei was designed to test rocket and satellite systems to be used for the orbiting of the first Japanese scientific observation satellite [Shinsei], scheduled for this year".
Japan1977-02-23Tsukubagakuen (scenic cancel)(JapanCover no.79) cachet on ETS-2 launch coverShinsei
ISS / Ume (Japan)
1976-02-29: ISS-1 / Ume-1
Japan1976-02-29Tanegashima(JapanCover no.6(?)) cachet on coverISS-1 launch
1978-02-16: ISS-2 / Ume-2
Japan1978-02-16Tanegashima(Space Voyage) cachet on coverISS-2 launch
Japan1978-02-16Tanegashima(JapanCover no.93) cachet on coverISS-2 launch
1979-02-21: CORSA-B / Hakucho
Japan1979-02-21Uchinoura(Zaso silk) cachet on coverCORSA-B launch
Japan1979-02-21Uchinoura(Space Voyage) cachet on coverCORSA-B launch
Japan1979-02-21Uchinoura(Red printed and black rubber-stamp) cachet on coverCORSA-B launch
1998-02-21: COMETS / Kakehashi
No launch cover images available yet
2005-08-23: OICETS / Kikari (and INDEX / Reimei and Turkmenistan Memorial Capsule)
No launch cover images available yet
2010-05-20: IKAROS (and Planet-C / VCO / Akatsuki and others)
No launch cover images available yet


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Updated: 2020-02-18