cometary-exploration satellite


Below are checklists of Cometary-exploration satellites, including launch dates and images of the satellites. Many solar-observing and planetary-exploration satellites are listed elsewhere on this Website. Also, cometary-exploration satellites (such as Explorer-59/ISEE-3/ICE) that are part of mostly non-cometary series (in this case the Explorer-series) are found listed under those series rather than separating them out of those series or listing them twice. This is a work in progress, and completeness is our goal. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

Satellite series covered:

(Earlier) Japanese Planet-series (cometary) satellites:

SatelliteLaunch DateImages
referencelaunch coversother postal items
Planet-prototype (Planet-A1) / Sakigake / MS-T5 (Comet 1P/Halley)1985-01-08Planet-A1
(Earlier) Planet (cometary)(Earlier) Planet (cometary)
Planet-A (Planet-A2) / Suisei (Comet 1P/Halley)1985-08-18Planet-A
(Later) Planet-series (planetary) satellites
(Planet-B — Planet-C)
(Later) Planet (planetary)(Later) Planet (planetary)

Russian Vega (VEnera GAllei) series satellites:

SatelliteLaunch DateImages
referencelaunch coversother postal items
Vega-1/2 type
Vega-1/2 type (Halley flyby configuration)

Other (selected) US cometary-exploration satellites:

SatelliteLaunch DateImages
referencelaunch coversother postal items
Deep Space-1 / NMP1998-10-24Deep Space-1Deep SpaceDeep Space
Deep Space-3 / ST-3 / Starlight / NMPCanceled
Deep Space-4 / ST-4 / Champollion / NMPCanceledDeep Space-4 (single-spacecraft concept)
Deep Space-4 (original concept)
Stardust / NExT / Discovery-41999-02-07Stardust
Stardust (patch)
Contour / Discovery-6 [failed]2002-07-03ContourContour
Deep Impact / EPOXI / Discovery-72005-01-12Deep Impact
Deep Impact (patch)
Deep ImpactDeep Impact

Other (selected) non-US cometary-exploration satellites:

SatelliteCountryLaunch DateImages
referencelaunch coversother postal items
CNSREurope (ESA)/USA (NASA)CanceledCNSR/RosettaCNSR
GiottoEurope (ESA)1985-07-02Giotto
Rosetta / PhilaeEurope (ESA)2004-03-02Rosetta (orbiter)
Rosetta (lander)
Rosetta (patch)

Links to cometary-exploration satellite information:

(The link below leads to information sources that are maintained by others. They are not part of this Website.)

Back to Un-Manned Satellite Philately.

Copyright © 2004-2019, Colorado State University. All rights reserved.
This Website created and maintained by Don Hillger and Garry Toth.
Updated: 2019-05-17