Biological satellites

Below are checklists of Biological satellites, including launch dates and images of the satellites. 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:

USA Biological Satellite (Biosatellite or Biosat) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Biosatellite-1 (Biosatellite-A) / Biosat-1	1966-12-14		Biosatellite	Biosatellite
Biosatellite-2 (Biosatellite-B) / Biosat-2	1967-09-07
Biosatellite-C / Biosat-C	Canceled
Biosatellite-3 (Biosatellite-D) / Biosat-3	1969-06-29	Biosatellite-3 Biosat-3 capsule recovery (newspaper article)

Russian Bion-series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Bion-1 / Kosmos-605	1973-10-31	Bion	Bion	Bion
Bion-2 / Kosmos-690	1974-10-22
Bion-3 / Kosmos-782	1975-11-25
Bion-4 / Kosmos-936	1977-08-03
Bion-5 / Kosmos-1129	1979-09-15
Bion-6 / Kosmos-1514	1983-12-14	Kosmos-1514
Bion-7 / Kosmos-1667	1985-07-10
Bion-8 / Kosmos-1887	1987-09-29
Bion-9 / Kosmos-2044	1989-09-15
Bion-10 / Kosmos-2229	1992-12-29
Bion-11	1996-12-24
Bion-M1	2013-04-19	Bion-M
Bion-M2	2025-08-20
Bion-M3	202x

Other (selected) USA biological satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Mercury-MR-2 (chimp "Ham") [sub-orbital]	1961-01-31		(Sub-orbital) rockets	(Sub-orbital) rockets
Mercury-MA-5 (chimp "Enos")	1961-11-29	Mercury	Mercury [un-manned-only]	Mercury [un-manned-only]
OFO-1 (OFO-A)	1970-11-09	OFO-1	OFO-1 (with R-1/RMS)
BioSentinel	2022-11-16	BioSentinel	BioSentinel (with Artemis-Orion)

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