Thor-2r

Thor-series
and
Sirius-series
satellites

Sirius-2
Thor-2rSirius-2

This page contains philatelic information on the Thor-series and Sirius-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)
Thor (Norway) Thor (Norway) Thor (Norway)
Sirius (Sweden) Sirius (Sweden) Sirius (Sweden)
Sirius (on other than Sirius launch covers)


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

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Thor (Norway)
FranceNone1+label1On label with (Historiaphil) private post stamp2015"Thor-7" launch (with launch date)
ZaireMi1181A-1184A_ms4
Mi1181B-1184B_ms4
In (upper-left) margin of MS4 (Mi1181A-1184A)
In (upper-left) margin of imperforate MS4 (Mi1181B-1184B)
1997"Thor"
Sirius (Sweden)
Malagasy RepublicUnknown ss (BL?)In (upper-right) margin of SS1 [known illegal issue]2011"Marco Polo-1" (now Sirius-1)
Malagasy RepublicUnknown ss fdcSS1 and (multi-color printed) cachet on FDC


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

CountryCancel DateCancel LocationType of ItemNotes on Content
Thor (Norway)
2009-10-29: Thor-6 (and NSS-12)
French Guiana2009-10-29Kourou(Association Philatélique du C.E. SPS) cachet on coverThor-6 launch
2015-04-27: Thor-7 (and SICRAL-2)
French Guiana2015-04-27Kourou(Association Philatélique du C.E. SPS) cachet on coverThor-7 launch
French Guiana2015-04-27Kourou (text cancel)(Historiaphil) private post stamp and (Historiaphil) cachet on coverThor-7 launch
French Guiana2015-04-27Kourou (pictorial cancel)(Historiaphil) cachet on coverThor-7 launch
Sirius (Sweden)
1989-08-27: Sirius-1 / formerly Marco Polo-1
United States1989-08-28Patrick AFB, FL(Whitney grey and blue) cachet on (airmail) coverMarco Polo-1 (now Sirius-1) launch (but "NAVSTAR Global Positioning System [GPS] satellite" in text)
1997-11-12: Sirius-2 / now Astra-5A (and Indostar-1)
French Guiana1997-11-12Kourou(C.E. SEP Section Philatélie) cachet on coverSirius-2 (now Astra-5A) launch
1998-10-05: Sirius-3 (and Eutelsat-W2)
French Guiana1998-10-05Kourou(C.E. SEP Section Philatélie) cachet on coverSirius-3 launch
Sirius (on other than Sirius launch covers)
French Guiana2007-05-04Kourou(Lollini) cachet on Astra-1L and Galaxy-17 launch cover(possible) Sirius-4 (lower-right)
French Guiana2007-05-04Kourou(Lollini) cachet (different) on Astra-1L and Galaxy-17 launch cover(possible) Sirius-4 (upper-left) (but one large antenna is missing and the other is poorly drawn)


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Updated: 2021-07-15