HEOS-1

Highly Eccentric Orbit Satellite
(HEOS) series


This page contains philatelic information on the Highly Eccentric Orbit Satellite (HEOS) 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)
HEOS
(ESRO)
HEOS
(ESRO)
HEOS
(ESRO)
HEOS (on other than HEOS launch covers)


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

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Highly Eccentric Orbit Satellite (HEOS) (ESRO)
BelgiumNone(Pictorial) cancel1971
Chad365 (Mi847)
i365

Imperforate
1979(tiny) HEOS
DhufarLocal f
Local if
One of local post MS8 (a-h)
One of imperforate local post MS8 (a-h)
1972"HEOS"
DhufarLocal f o/pOne of local post MS8 (a-h) overprinted "Apollo-17"1973"HEOS"
Germany (West)None(ESRO) cachet on cover1968"HEOS-A" (HEOS-1)
Germany (West)None(MBB) cachet on cover1972"HEOS-2" (in rubber-stamp cachet); "HEOS-A-1" and "HEOS-A-2" (in printed cachet)
Malagasy RepublicUnknown ms (Mi?)
Unknown ims
In (upper-left) margin of MS4 (a-d) [known illegal issue]
In (upper-left) margin of imperforate MS4 (a-d)
1999"HEOS-2" (but HEAO-1 depicted)
Malagasy RepublicUnknown fdcMS4 on FDC
Mongolia1369 (BL98)On stamp of SS11983(tiny) HEOS
Paraguay1149 (Mi1906)1969"HEOS-A" (HEOS-1)
Paraguay1149 muestraOverprinted "muestra"
Paraguay1152 (Mi1909)
Paraguay1152 muestraOverprinted "muestra"
Paraguay1152b (BL123)Imperforate MS3 (1149-1150+1152)
Paraguay1152b muestraImperforate MS3, overprinted "muestra"


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

CountryCancel DateCancel LocationType of ItemNotes on Content
Highly Eccentric Orbit Satellite (HEOS) (ESRO)
1968-12-05: HEOS-1
Germany (West)1968-12-05Hamburg(Pictorial) cancel and (purple and black rubber-stamp) cachets on coverHEOS-1 launch
Germany (West)1968-12-05Hamburg(Pictorial) cancel and (AK Commemorative Cover) cachet on coverHEOS-1 launch
Germany (West)1968-12-05Hamburg(Pictorial) cancel and (black printed) cachet (different) on coverHEOS-1 launch
Germany (West)1968-12-05Hamburg(Pictorial) cancel and (black printed) cachet (different) on coverHEOS-1 launch
Germany (West)1968-12-05Hamburg(Pictorial) cancel and (JFM/Junkers) cachet on coverHEOS-1 launch
Germany (West)1968-12-05Hamburg(Pictorial) cancel on coverHEOS-1 launch
Germany (West)1968-12-05Munchen(JFM/Junkers) cachet on coverHEOS-1 launch
Germany (West)1968-12-05Darmstadt(ESOC) cachet on coverHEOS-1 launch
Netherlands1968-12-05Noordwijk-Binnen(ESTEC black and red rubber-stamp) cachet on coverHEOS-1 launch
Netherlands1968-12-05Noordwijk-Binnen(ESTEC black and blue rubber-stamp) cachet on coverHEOS-1 launch
United States1968-12-05Cape Canaveral FL(Orbit Covers) cachet on coverHEOS-1 launch
United States1968-12-05Patrick AFB, FL (hand cancel)(SpaceCraft/Swanson and cyan rubber-stamp) cachets on cover, also insertHEOS-1 launch
United States1968-12-05Patrick AFB, FL (machine cancel)(SpaceCraft/Swanson and cyan rubber-stamp) cachets on cover, also insertHEOS-1 launch
United States1968-12-05Cape Canaveral FL (hand cancel)(SpaceCraft/Swanson and cyan rubber-stamp) cachets on cover, also insertHEOS-1 launch
United States1968-12-05Cape Canaveral FL (machine cancel)(SpaceCraft/Swanson and cyan rubber-stamp) cachets on cover, also insertHEOS-1 launch
United States1968-12-05Cape Canaveral FL(Swanson/DuBeau? red rubber-stamp) cachet on coverHEOS-1 launch
United States1968-12-05Cape Canaveral FL(Sarzin) cachet on coverHEOS-1 launch
United States1968-12-05Cape Canaveral FL(AK Commemorative Cover) cachet on coverHEOS-1 launch
United States1968-12-05Cape Canaveral FL(Whitney red and blue and purple) cachet on coverHEOS-1 launch
United States1968-12-05Kennedy Space Center FL(ESOC?) cachet on coverHEOS-1 launch
United States1968-12-05Cape Canaveral FL(ESRO) cachet on coverHEOS-1 launch
HEOS-1 (anniversaries)
United States1974-12-05Fairbanks AK(Red and black rubber-stamp) cachet on cover6th anniv. HEOS-1 launch
1972-01-31: HEOS-2
France1972-01-31Neuilly Sablons(ESRO) cachet on coverHEOS-2 launch
Germany (West)1972-01-31Ottobrunn(MBB?) cachet on coverHEOS-2 launch
Germany (West)1972-01-31Bochum(InterCover) cachet on coverHEOS-2 launch
Germany (West)1972-01-31Bochum(Blue rubber-stamp) cachet on coverHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(Riser/Andromeda/Cygnus Cover no.15) cachet on cover, also insert1 and/or insert2 and/or insert3HEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(Centennial grey rocket, type-2 and red text) cachet on coverHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(Space Voyage) cachet on cover, also insertHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(Solar Covers no.34) cachet on cover, also insertHEOS-2 launch
United States1972-01-31Vandenberg AFB, CA(Orbit Covers) cachet on coverHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(Printed) cachet on coverHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(ESRO?) cachet on coverHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(MBB?) cachet on coverHEOS-2 launch
United States1972-01-31Lompoc CA, Vandenberg AFB(DuBeau?/Swanson black rubber-stamp) cachet on coverHEOS-2 launch (but ESRO-2A depicted)
United States1972-01-31Vandenberg AFB, CA(DuBeau?/Swanson black rubber-stamp) cachet on coverHEOS-2 launch (but ESRO-2A depicted)
HEOS (on other than HEOS launch covers)
United States1969-10-01Lompoc CA, Vandenberg AFB(SpaceCraft/Swanson) insert2 back from ESRO-1B launch cover, also insert2 front and insert1 and cover front"HEOS-1"
United States1969-10-01Vandenberg AFB, CA(SpaceCraft/Swanson) insert2 back from ESRO-1B launch cover, also insert2 front and insert1 and cover front


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



Copyright © 2007-2021, Colorado State University. All rights reserved.
This Website created and maintained by Don Hillger and Garry Toth.
Updated: 2021-04-02