HEAO-1

High-Energy Astronomical Observatory
(HEAO) series satellites

HEAO-2
HEAO-1HEAO-2

This page contains philatelic information on the High-Energy Astronomical Observatory (HEAO) 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)
HEAO HEAO HEAO
HEAO (on other than HEAO launch covers)


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

CountryCatalog NumberType of ItemYear of IssueNotes on Content
High-Energy Astronomical Observatory (HEAO)
Chad718 (Mi1636)
i718
From MS4 (718b (4x 718))
From MS4 (i718b (4x i718))
1997"HEAO-2" / "Einstein"
Chad718a (BL?)
i718a
On stamp of SS1 (718)
On stamp of imperforate SS1 (i718)
Gambia804 (Mi824)1988"HEAO-2" / "Einstein"
Guinea RepublicMi4288 dsDeluxe sheet (Mi4288)2006"HEAO-2" / Einstein
Guinea RepublicBL992A
BL992B
On stamp of SS1
On stamp of imperforate SS1
Guinea RepublicMi4287-4289 ms3On one of MS3 (Mi4287-4289)
Guinea RepublicMi8443One of MS6 (Mi8439-8444)2011"HEAO-2" / Einstein
Guinea RepublicMi8439-8444_ms6 fdcMS6 and cachet on FDC
Guinea RepublicMi92592012"HEAO-2" / "Einstein"
Guinea RepublicBL2103On stamp of SS1 (Mi9259)
Malagasy RepublicUnknown ms (Mi?)
Unknown ims
In (upper-left) margin of MS4 (a-d)
In (upper-left) margin of imperforate MS4 (a-d)
1999HEAO-1 (not "HEOS-2", as in text)
Malagasy RepublicUnknown fdcMS4 on FDC
SpainNone(Printed) cachet on cover1984"HEAO" (in text only)


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

CountryCancel DateCancel LocationType of ItemNotes on Content
High-Energy Astronomical Observatory (HEAO)
1977-08-12: HEAO-1
United States1977-08-12Cape Canaveral FL(Orbit Covers) cachet on coverHEAO-1 launch
United States1977-08-12Greenbelt MD(GSFC Stamp Club) cachet on coverHEAO-1 launch
United States1977-08-12Greenbelt MD(GSFC rubber-stamp) cachet on coverHEAO-1 launch
United States1977-08-12Kennedy Space Center FL(Space Voyage) cachet on coverHEAO-1 launch
United States1977-08-12Cape Canaveral FL(Space Voyage) cachet on coverHEAO-1 launch
United States1977-08-12Kennedy Space Center FL(Blue rubber-stamp) cachet on coverHEAO-1 launch
United States1977-08-12Cape Canaveral FL(TRW) cachet on cover, also insertHEAO-1 launch
United States
Canada
1977-08-12
1977-08-18
Cape Canaveral FL
Montreal
(blank) cachet on coverHEAO-1 launch
1978-11-13: HEAO-2 / Einstein
United States1978-11-13Cape Canaveral FL(Orbit Covers) cachet on coverHEAO-2 launch (HEAO-1 image)
United States1978-11-13Kennedy Space Center FL(Zaso/IASP no.7 silk) cachet on coverHEAO-2 launch
United States1978-11-13Cape Canaveral FL(TRW) cachet on cover, also insertHEAO-2 launch
United States1978-11-13Cape Canaveral FL(Space Voyage) cachet on coverHEAO-2 launch
United States1978-11-13GSFC, MD(GSFC Stamp Club) cachet (and signature) on coverHEAO-2 launch
United States1978-11-13GSFC, MD(GSFC rubber-stamp) cachet on coverHEAO-2 launch
HEAO-2 (anniversaries)
Romania2003-11-13IasiCancel25th anniv. HEAO-2 launch
1979-09-20: HEAO-3
United States1979-09-20MSFC, AL(Blue-green rubber-stamp) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20MSFC, AL(Black rubber-stamp) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20MSFC, AL(Purple rubber-stamp) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20MSFC, AL (hand cancel)(Blue rubber-stamp) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20MSFC, AL (machine cancel)(Blue rubber-stamp) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20MSFC, AL (machine cancel)(Blue rubber-stamp) cachet on (airmail) coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20Greenbelt MD(GSFC Stamp Club) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20Kennedy Space Center FL(Space Voyage) cachet on coverHEAO-3 launch (HEAO-1 image)
United States1979-09-20Greenbelt MD(GSFC tracking team) cachet on coverHEAO-3 launch
HEAO-3 (anniversaries)
Romania2004-09-20IasiCancel25th anniv. HEAO-3 launch (HEAO-1 image)
HEAO (on other than HEAO launch covers)
United States1974-12-17Palestine TX(Red rubber-stamp) cachet on stratospheric balloon launch coverHEAO-A (not "HEAD-A", as in text)


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Updated: 2016-04-03