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 Ohsumi Ohsumi
IKAROS IKAROS IKAROS


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
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 fdc1
Unknown ifdc1
MS4 on FDC
Imperforate MS4 on FDC
ChadUnknown fdc2One of four stamps on FDC
Guyana4055b (Mi8147)One of MS4 (4055 (a-d))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"


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
2010-05-20: IKAROS (and Planet-C / VCO / Akatsuki and others)
No launch cover images available yet


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Updated: 2017-06-21