OGO

Orbiting Geophysical Observatory
(OGO) series satellites


This page contains philatelic information on the Orbiting Geophysical Observatory (OGO) series 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)
OGO OGO OGO
OGO (on other than OGO launch covers)


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

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Orbiting Geophysical Observatory (OGO)
Burundi129 (Mi170A)
i129 (Mi170B)

Imperforate
1965OGO-1/6 type1
Burundi126+128-129+133 fdcOne of four stamps on FDC
Burundii128-i130+i132 fdcOne of four imperforate stamps on FDC
Czechoslovakia1454 (Mi1688)1967OGO-1/6 type1
Ghana164 (Mi170A)
i164 (Mi170B)

Imperforate
1964OGO-1/6 type1
Ghana165 (Mi171A)
i165 (Mi171B)

Imperforate
Ghana166 (Mi172A)
i166 (Mi172B)

Imperforate
Ghana164-166 fdcThree stamps on FDC
Ghana166a (BL9)On all four stamps and in (upper-right) margin of imperforate MS4 (4x 166)
Ghana166a fdcImperforate MS4 on FDC
Ghana186 (Mi185A)
i186 (Mi185B)
From MS12 (186a (12x 186))
From imperforate MS12 (i186a (12x i186))
1964OGO-1/6 type1
Ghana187 (Mi186A)
i187 (Mi186B)
From MS12 (187a (12x 187))
From imperforate MS12 (i187a (12x i187))
Ghana188 (Mi187A)
i188 (Mi187B)
From MS12 (188a (12x 188))
From imperforate MS12 (i188a (12x i188))
Kathiri State of Seiyun (South Arabia)Mi86A
Mi86B

Imperforate with changed colors
1966OGO-1/6 type1
Kathiri State of Seiyun (South Arabia)Mi89A
Mi89B

Imperforate with changed colors
1966OGO-1/6 type1
Kathiri State of Seiyun (South Arabia)MiA90A
MiA90B

Imperforate with changed colors
1967OGO-1/6 type1
Kathiri State of Seiyun (South Arabia)BL_A1A
BL_A1B
On stamp of SS1
Imperforate SS1, changed colors
1967OGO-1/6 type1
Nigeria143a (Mi134)In (upper-right) margin of MS12 (12x 143)1963OGO-1/6 type1
Nigeriai143aIn (upper-right) margin of "imperforate"2 MS12 (12x 143)
Nigeria144a (Mi135)In (upper-right) margin of MS12 (12x 144)
Nigeriai144aIn (upper-right) margin of "imperforate"2 MS12 (12x 144)
PanamaC334a (BL36)
iC334a (BL37)
In (lower) margin of MS2 (C333-C334)
In ((lower) margin of imperforate MS2 (iC333-iC334), changed colors
1965OGO-1/6 type1
Satellite Beach FL (USA)Localset-D-5 (green)1965"OGO"-1/6 type1
Satellite Beach FL (USA)Local o/pset-D-5 (green) overprinted in gold1965"OGO"-1/6 type1
Sierra Leone1069i (Mi1220)One of MS9 (1069 (a-i)) (Mi1212-1220)1989"OGO-4"
Sierra Leone1069i specimenOne of MS9 (1069 specimen (a-i))
Togo500 (Mi446A)
i500 (Mi446B)

Imperforate
1964OGO-1/6 type1
Togo504 (Mi450A)
i504 (Mi450B)

Imperforate
Togo500-501+503 fdcOne of three stamps on FDC
Togo500-505 fdcTwo of six stamps on FDC
Togo502+504-505 fdcOne of three stamps on FDC
Togo505a (BL17)Imperforate MS4 (502-505)
Togo505a fdcImperforate MS4 on FDC
United StatesNone(Black rubber-stamp) cachet on cover1967"OGO-I", OGO-II", "POGO-I", "POGO-II", "POGO-III"
United StatesNoneCachet on QSL card, also back1968OGO-1

1OGO-1 — OGO-6 are all basically identical.
2The "imperforate" sheets from Nigeria, i143a and i144a, are imperforate only in the surrounding margins, otherwise the stamps in both sheets are perforated on all sides.


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

CountryCancel DateCancel LocationType of ItemNotes on Content
Orbiting Geophysical Observatory (OGO)
1964-09-05: OGO-1
United States1964-09-04Satellite Beach FL(Goldcraft?) cachet on coverOGO-1 launch
United States1964-09-04
1967-07-28
Satellite Beach FL
Lompoc CA, Vandenberg AFB
(Rank silkscreened) cachet on coverOGO-1 launch
OGO-4 launch
United States1964-09-05Patrick AFB, FL(SpaceCraft/Swanson) cachet on cover, also insertOGO-1 launch; also IQSY
United States1964-09-05Cape Canaveral FL(SpaceCraft/Swanson) cachet on cover, also insertOGO-1 launch; also IQSY
United States1964-09-05Cape Canaveral FL(Sarzin?) cachet on coverOGO-1 launch
United States1964-09-05Cape Canaveral FL(Astro Covers) cachet on coverOGO-1 launch
United States1964-09-05Cape Canaveral FL(Sokolsky blue) cachet on coverOGO-1 launch
United States1964-09-05Cape Canaveral FL(Sokolsky green) cachet on coverOGO-1 launch
United States1964-09-05Cape Canaveral FL(C. Swanson purple rubber-stamp) cachet on coverOGO-1 launch
United States1964-09-05Cape Canaveral FL(Centennial) cachet on coverOGO-1 launch
1965-10-14: OGO-2 / POGO-1
United States1965-10-14Vandenberg AFB, CA(SpaceCraft/Swanson) cachet on cover, also insertOGO-2 launch
United States1965-10-14Vandenberg AFB, CA(Astro Covers) cachet on coverOGO-2 launch
United States1965-10-14Vandenberg AFB, CA(Swanson/DuBeau? blue rubber-stamp) cachet on coverOGO-2 launch
United States1965-10-14
1967-07-28
Vandenberg AFB, CA
Lompoc CA, Vandenberg AFB
(Sarzin?) cachet on cover
(Rubber-stamp) cachet on cover
OGO-2 launch
OGO-4 launch
1966-06-07: OGO-3
United States1966-06-06Cape Canaveral FL(Astro Covers) cachet on coverOGO-3 launch
United States1966-06-07Cape Canaveral FL(Sarzin) cachet on coverOGO-3 launch
United States1966-06-07Cape Canaveral FL(SpaceCraft/Swanson) cachet on cover, also insertOGO-3 launch
United States1966-06-07Cape Canaveral FL(Orbit Covers) cachet on coverOGO-3 launch
United States1966-06-07Cape Canaveral FL(Centennial) cachet on coverOGO-3 launch
United States1966-06-07Cape Canaveral FL(HJM black) cachet on coverOGO-3 launch
1967-07-28: OGO-4 / POGO-2
United States1967-07-28Vandenberg AFB, CA(SpaceCraft/Swanson) cachet on cover, also insertOGO-4 (mis-labeled "POGO-4") launch
United States1967-07-28Lompoc CA, Vandenberg AFB(SpaceCraft/Swanson) cachet on cover, also insertOGO-4 (mis-labeled "POGO-4") launch
United States1967-07-28Vandenberg AFB, CA(Swanson/DuBeau? blue rubber-stamp) cachet on coverOGO-4 launch
United States1967-07-28Vandenberg AFB, CA(Orbit Covers) cachet on coverOGO-4 launch
United States1967-07-28Vandenberg AFB, CA(Centennial) cachet on coverOGO-4 launch
United States1967-07-28
1964-09-04
Lompoc CA, Vandenberg AFB
Satellite Beach FL
(Rank silkscreened) cachet on coverOGO-4 launch
OGO-1 launch
United States1967-07-28
1965-10-14
Lompoc CA, Vandenberg AFB
Vandenberg AFB, CA
(Rubber-stamp) cachet on cover
(Sarzin?) cachet on cover
OGO-4 launch
OGO-2 launch
1968-03-04: OGO-5
United States1968-03-04Cape Canaveral FL (machine cancel)(Orbit Covers) cachet on coverOGO-5 launch
United States1968-03-04Cape Canaveral FL (hand cancel)(Orbit Covers) cachet on coverOGO-5 launch
United States1968-03-04Kennedy Space Center FL(R. DuBeau blue rubber-stamp) cachet on coverOGO-5 launch
United States1968-03-04Cape Canaveral FL (machine cancel)(SpaceCraft/Swanson) cachet on cover, also insert or insert variation (slightly different text arrangement)OGO-5 launch
United States1968-03-04Cape Canaveral FL (hand cancel)(SpaceCraft/Swanson) cachet on cover, also insert or insert variation (slightly different text arrangement)OGO-5 launch
United States1968-03-04Patrick AFB, FL (hand cancel)(SpaceCraft/Swanson) cachet on cover, also insert or insert variation (slightly different text arrangement)OGO-5 launch
United States1968-03-04Patrick AFB, FL (machine cancel)(SpaceCraft/Swanson) cachet on cover, also insert or insert variation (slightly different text arrangement)OGO-5 launch
United States1968-03-04Cape Canaveral FL(Centennial yellow Orbiting Observatories and black text) cachet on coverOGO-5 launch (OAO-2, OSO-1/6 type, and OGO-1/6 type depicted)
United States1968-03-04Cape Canaveral FL(Sarzin) cachet on coverOGO-5 launch
United States1968-03-04Cape Canaveral FL(Astro Covers) cachet on coverOGO-5 launch
United States1968-03-04Cape Canaveral FL(HJM black) cachet on coverOGO-5 launch
United States1968-03-04Cape Canaveral FL(Swanson magenta rubber-stamp) cachet on coverOGO-5 launch
1969-06-05: OGO-6 / POGO-3
United States1969-06-05Lompoc CA, Vandenberg AFB(SpaceCraft/Swanson) cachet on cover, and insert or insert variation (slightly different line lengths)OGO-6 launch
United States1969-06-05Lompoc CA, Vandenberg AFB(SpaceCraft/Swanson) cachet (and signature) on cover, and insert or insert variation (slightly different line lengths)OGO-6 launch
United States1969-06-05Vandenberg AFB, CA(SpaceCraft/Swanson) cachet on cover, and insert or insert variation (slightly different line lengths)OGO-6 launch
United States1969-06-05Kennedy Space Center FL(SpaceCraft/Swanson) cachet on cover, and insert or insert variation (slightly different line lengths)OGO-6 launch
United States1969-06-05Vandenberg AFB, CA(Orbit Covers) cachet on coverOGO-6 launch
United States1969-06-05Vandenberg AFB, CA(Centennial) cachet on coverOGO-6 launch
United States1969-06-05Lompoc CA, Vandenberg AFB(Swanson/DuBeau? blue rubber-stamp) cachet on coverOGO-6 launch
United States1969-06-05Vandenberg AFB, CA(Sarzin) cachet on coverOGO-6 launch
OGO (on other than OGO launch covers)
United States1967-10-18Kennedy Space Center FL(Centennial black Orbiting Observatories and black text) cachet on OSO-4 launch coverOGO-1/6 type1
United States1967-10-18Cape Canaveral FL(Centennial black Orbiting Observatories and black text) cachet on OSO-4 launch cover
United States1968-12-07Cape Canaveral FL(Centennial red Orbiting Observatories and black text) cachet on OAO-2 launch coverOGO-1/6 type1
United States1969-11-07Vandenberg AFB, CA(SpaceCraft/Swanson) insert2 back from Azur launch cover, also insert2 front and insert1 and cover front"Orbiting Geophysical Observatories (OGOs)" (in text)
United States1969-11-07Lompoc CA, Vandenberg AFB(SpaceCraft/Swanson) insert2 back from Azur launch over, also insert2 front and insert1 and cover front
United States1976-03-16Auburn MA(GSFC Stamp Club printed) cachet on 50th anniv. first liquid fuel rocket flight/launch cover"OGO"-1/6 type1
United States1978-05-20GSFC, MD(GSFC blue rubber-stamp) cachet (same design as immediately above) on Pioneer-12 launch cover"OGO"-1/6 type1
United States1978-10-24GSFC, MD(GSFC blue rubber-stamp) cachet (same) on Nimbus-7 and CAMEO launch cover"OGO"-1/6 type1
United States1983-01-25Greenbelt MD(GSFC blue rubber-stamp) cachet (same) on IRAS and PIX-2 launch cover"OGO"-1/6 type1

1OGO-1 — OGO-6 are all basically identical.


Back to Scientific/research satellites.
Back to Un-Manned Satellite Philately.



Copyright © 2004-2018, Colorado State University. All rights reserved.
This Website created and maintained by Don Hillger and Garry Toth.
Updated: 2018-01-14