EXOS-A / Kyokko

EXOspheric Satellite
(EXOS) series

EXOS-D / Akebono
EXOS-A / KyokkoEXOS-D / Akebono

This page contains philatelic information on the EXOspheric Satellite (EXOS) series. 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)
EXOS
(Japan)
EXOS (Japan) EXOS
(Japan)
EXOS (on other than EXOS launch covers)


Below is a list of EXOS series postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
EXOspheric Satellite (EXOS) (Japan)
Kabardino-Balkaria (Russian Republic)Local bOne of local post MS6 (a-f)2000EXOS-D / Akebono
Kabardino-Balkaria (Russian Republic)Local ms fdcLocal post MS6 on FDC
Niger843B (Mi1143A)
i843B (Mi1143B)

Imperforate
1991EXOS-D / Akebono
Niger843Bc (BL78A)
i843Bc (BL78B)
On stamp of SS1 (843B)
On stamp of imperforate SS1 (i843B)
Niger843A-843B+843F_ms3
i843A-i843B+i843F_ms3
On one of MS3 (843A-843B+843F)
On one of imperforate MS3 (i843A-i843B+i843F)
St. Thomas and Prince IslandsUnknown ss (BL?)
Unknown iss
In (lower-right) margin of SS1
In (lower-right) margin of imperforate SS1
2005EXOS-D / Akebono
St. Thomas and Prince IslandsUnknown ss fdc
Unknown iss fdc
SS1 on FDC
Imperforate SS1 on FDC


Below is a list of EXOS series launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
EXOspheric Satellite (EXOS) (Japan)
1978-02-04: EXOS-A / Kyokko
Japan1978-02-04Uchinoura (scenic cancel)(Space Voyage) cachet on coverEXOS-A launch
1978-09-16: EXOS-B / Jikiken
Japan1978-09-16Uchinoura(Space Voyage) cachet on coverEXOS-B launch
1984-02-14: EXOS-C / Ohzora
Chile1984-02-14Santiago(Space Voyage) cachet on coverEXOS-C launch
Japan1984-02-14Tsukubagakuen (regular cancel)(Space Voyage) cachet on coverEXOS-C launch
Japan1984-02-14Uchinoura (scenic cancel)(Space Voyage) cachet (different color) on coverEXOS-C launch
United States1984-02-14Greenbelt MD(Space Voyage) cachet on coverEXOS-C launch
1989-02-21: EXOS-D / Akebono
United States1988-02-21Greenbelt MD(Space Voyage) cachet on coverEXOS-D launch
Japan1988-02-22Uchinoura (scenic cancel)(Space Voyage) cachet on coverEXOS-D launch
Japan1988-02-22Katsuura(Space Voyage) cachet on coverEXOS-D launch
Japan1988-02-22Tsukubagakuen(Space Voyage) cachet on coverEXOS-D launch
EXOS (on other than EXOS launch covers)
Japan1977-08-16Uchinoura(JapanCover no.81) cachet on (sub-orbital) rocket launch coverionospheric radio wave mission in advance of EXOS-A and EXOS-B launches
Japan1980-09-02Uchinoura(Space Voyage) cachet on (sub-orbital) rocket launch coverK-9M research rocket launched 2 Sept 1980 "tests EXOS-C satellite cosmic radio wave instrument"


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Updated: 2018-04-18