Environmental-observing (Earth-observation) satellites

Below are checklists of environmental-observing (Earth-observation) satellites, including launch dates and images of the satellites. 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:

US Landsat / Earth Resources Technology Satellite (ERTS) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Landsat-1 / ERTS-1 (ERTS-A)	1972-07-23	Landsat / ERTS Landsat / ERTS Landsat-1 Landsat-1/2/3 type Landsat-3 ERTS / Landsat (patch)	Landsat / ERTS	Landsat / ERTS
Landsat-2 / ERTS-2 (ERTS-B)	1975-01-22
Landsat-3 (Landsat-C / ERTS-C)	1978-03-05
Landsat-4 (Landsat-D)	1982-07-16	Landsat-4 Landsat-4/5 type Landsat-5
Landsat-5 (Landsat-D1)	1984-03-01
Landsat-6 [failed]	1993-10-05	Landsat-6 Landsat-6 Landsat-6 Landsat-6 (patch)
Landsat-7	1999-04-15	Landsat-7 Landsat-7 Landsat-7 (patch)
Landsat-8 / LDCM	2013-02-11	Landsat-8 Landsat-8
Landsat-9
Landsat-10

French Satellite Probatoire de l'Observation de la Terre (SPOT) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
SPOT-1 (SPOT-A)	1986-02-21	SPOT-1 SPOT-1 SPOT-1/2/3 type	SPOT	SPOT
SPOT-2 (SPOT-B)	1990-01-22
SPOT-3	1993-09-26
SPOT-4	1998-03-24	SPOT-4 SPOT-4 SPOT-4
SPOT-5	2002-05-03	SPOT-5
SPOT-6	2012-09-09	SPOT-6
SPOT-7 / Azersky	2014-06-30

Indian Remote Sensing (IRS) series satellites (including OceanSat, ResourceSat, and CartoSat):

Satellite	Launch Date	Images
		reference	launch covers	other postal items
IRS-1A	1988-03-17	IRS IRS-1	IRS	IRS
IRS-1B	1991-08-29
IRS-1E / IRS-P1 [failed]	1993-09-20
IRS-P2	1994-10-15	IRS-P2
IRS-1C	1995-12-28	IRS-1C/1D IRS-1D
IRS-1D	1997-09-29
IRS-P3	1996-03-21	IRS-P3
IRS-P4 / OceanSat-1	1999-05-26	IRS-P4
IRS-P6 / ResourceSat-1	2003-10-17	IRS-P6
IRS-P5 / CartoSat-1	2005-05-05	IRS-P5
CartoSat-2	2007-01-10	CartoSat-2
CartoSat-2A	2008-04-28
CartoSat-2B	2010-07-12
CartoSat-2C	2016-06-22
CartoSat-2D	2017-02-15
CartoSat-2E	2017-?
IRS-P7 / OceanSat-2	2009-09-23	OceanSat-2
CartoSat-3	2018-?	CartoSat-3
CartoSat-3A	2019-?
CartoSat-3B	2020-?
ResourceSat-2	2011-04-20	ResourceSat-2
ResourceSat-2A	2016-12-07

European Remote Sensing (ERS) satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
ERS-1	1991-07-16	ERS ERS ERS ERS-1 ERS-1	ERS	ERS
ERS-2	1995-04-20

Japanese Marine Observation Satellite (MOS) / Momo series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
MOS-1A / Momo-1	1987-02-19	MOS MOS MOS-1	MOS	MOS
MOS-1B / Momo-1B	1990-02-07	MOS-2

Japanese ADvanced Earth Observing Satellite (ADEOS) / Midori series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
ADEOS-1 / Midori / TOMS(-4?)	1996-08-17	ADEOS ADEOS ADEOS ADEOS ADEOS	ADEOS	ADEOS
ADEOS-2 / Argos-2+	2002-12-14

Japanese Advanced Land Observing Satellite (ALOS) / Midori series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
ALOS-1 / Daichi-1	2006-01-24	ALOS-1
ALOS-2 / Diachi-2	2014-05-24	ALOS-2
ALOS-3	2019-?	ALOS-3

US Earth Observing (EO) satellite series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
EO-1 / NMP	2000-11-21	EO-1 EO-1 EO-1 (patch)	EO-1	EO-1
EO-2 / NMP	Canceled
EO-3 / NMP	Canceled

US Earth Observation System (EOS) satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
EOS-AM1 / EOS-Terra	1999-12-18	EOS-Terra (early-design) EOS-Terra EOS (patch) EOS-Terra (patch)	EOS	EOS
EOS-PM1 / EOS-Aqua	2002-05-04	EOS-Aqua EOS-Aqua
EOS-Aura (formerly EOS-Chem)	2004-07-15	EOS-Aura EOS-Aura EOS-Aura (patch)

(Selected) Russian Resurs-series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Resurs-OE-1 / Kosmos-1484	1983-07-24		Resurs	Resurs
Resurs-O1-1 / Kosmos-1689	1985-10-03
Resurs-O1-2 / Kosmos-1939	1988-04-20
Resurs-F1, Pion-1, Pion-2	1989-05-25
Resurs-F2	1989-06-27	Resurs-F2
Resurs-F3, Pion-3, Pion-4	1989-07-18
Resurs-F4	1989-08-15
Resurs-F5	1989-09-06
Resurs-F6	1990-05-29
Resurs-F7	1990-07-17
Resurs-F8	1990-08-16
Resurs-F9	1990-09-07
Resurs-F10	1991-05-21
Resurs-F11	1991-06-28
Resurs-F12	1991-07-23
Resurs-F13	1991-08-21
Resurs-F14	1992-04-29
Resurs-F15	1992-06-23
Resurs-F16, Pion-5, Pion-6	1992-08-19
Resurs-500	1992-11-15
Resurs-F17	1993-05-21
Resurs-F18	1993-06-25
Resurs-F19	1993-08-24
Resurs-O1-3	1994-11-04	Resurs-O1
Resurs-F20	1995-09-26
Resurs-F1M-1	1997-11-18
Resurs-O1-4	1998-07-10	Resurs-O1
Resurs-F1M-2	1999-09-28
Resurs-O2	19xx-?	Resurs-O2
Resurs-DK1	2006-06-15	Resurs-DK1
Resurs-P1	2013-06-25	Resurs-P1

Russian Almaz-series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Almaz-T1 / Kosmos-1803 [failed]	1986-11-29	Almaz-1 Almaz-1	Almaz-1	Almaz-1
Almaz-T2 / Kosmos-1870	1987-07-25
Almaz-1	1991-03-31

Russian Okean-series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Okean-E1 / Kosmos-1076	1979-02-12		Okean	Okean
Okean-E2 / Kosmos-1151	1980-01-23
Okean-OE1 / Kosmos-1500	1983-09-28	Kosmos-1500 Kosmos-1500
Okean-OE2 / Kosmos-1602	1984-09-28
Okean-O1-1 / Kosmos-1766	1986-06-28
Okean-O1-2 / Kosmos-1869	1987-07-16
Okean-1	1988-07-05
Okean-2 [failed]	1989-06-09
Okean-2	1990-02-28
Okean-3	1991-06-04
Okean-4	1994-10-11	Okean-O Okean-O
Okean-O1	1999-07-17

Ukraine / Russian Sich-series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Sich-1	1995-08-31	Sich-1 Sich Sich-1	Sich	Sich
Sich-1m [failed]	2004-12-24	Sich-1m
Sich-2	2011-08-17	Sich-2

China/PRC Brazil Earth Resources Satellite (CBERS) / ZY-1 series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
ZY-1-01 / CBERS-1	1999-10-14	ZY-1 ZY-1 (CBERS)	ZY-1 / CBERS	ZY-1 / CBERS
ZY-1-02 / CBERS-2	2003-10-21
ZY-1-02B / CBERS-2B	2007-09-19
ZY-1-02C (not CBERS)	2011-12-22
ZY-1-03 / CBERS-3 [failed]	2013-12-09	ZY-1-03
ZY-1-04 / CBERS-4	2014-12-07
ZY-1-04A / CBERS-4A	2018-?

China/PRC ZY-2 and ZY-3 series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
ZY-2-01 / Resource-2A	2000-09-01	ZY-2	ZY-2 / Resource-2 and ZY-3 / Resource-3	ZY-2 / Resource-2 and ZY-3 / Resource-3
ZY-2-02 / Resource-2B	2002-10-27
ZY-2-03 / Resource-2C	2004-11-06
ZY-3-01 / Resource-3A	2012-01-09	ZY-3
ZY-3-02 / Resource-3B	2016-05-30

China/PRC Haiyang (HY) / Ocean series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
HY-1 / Ocean-1	2002-05-16	HY-1	HY-1 (with FY-1D)
HY-1B / Ocean-1B	2007-04-11		HY-1B HY-1B HY-1B

China/PRC ShiYan (SY) / TanSuo (TS) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
SY-1 / TS-1	2004-04-18	SY-1	SY-1
SY-2 / TS-2	2004-11-18		SY-2 SY-2 (back)
SY-3 / TS-3	2008-11-05

China/PRC Remote Sensing Satellite (RSS) / Yaogan-series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
RSS-1 / Yaogan-1	2006-04-27	Yaogan-1/3/10 type
RSS-2 / Yaogan-2	2007-05-25	Yaogan-2/4/7 type	Yaogan-2 Yaogan-2
RSS-3 / Yaogan-3	2007-11-12	Yaogan-1/3/10 type	Yaogan-3 Yaogan-3 Yaogan-3
RSS-4 / Yaogan-4	2008-12-01	Yaogan-2/4/7 type
RSS-5 / Yaogan-5	2008-12-15	Yaogan-5
RSS-6 / Yaogan-6	2009-04-22	Yaogan-6
RSS-7 / Yaogan-7	2009-12-09	Yaogan-2/4/7 type
RSS-8 / Yaogan-8	2009-12-15	Yaogan-8	Yaogan-8 (with OSCAR-68)
RSS-9 / Yaogan-9A,B,C	2010-03-05	Yaogan-9
RSS-10 / Yaogan-10	2010-08-10	Yaogan-1/3/10 type
RSS-11 / Yaogan-11	2010-09-22	Yaogan-11
RSS-12 / Yaogan-12	2011-11-09	Yaogan-5
RSS-13 / Yaogan-13	2011-11-29	Yaogan-13
RSS-14 / Yaogan-14	2012-05-10	Yaogan-14
RSS-15 / Yaogan-15	2012-05-29	Yaogan-8
RSS-16 / Yaogan-16A,B,C	2012-11-25	Yaogan-9
RSS-17 / Yaogan-17A,B,C	2013-09-01	Yaogan-9		"Yaogan-17A-B-C" "Yaogan-17"
RSS-18 / Yaogan-18	2013-10-29	Yaogan-13
RSS-19 / Yaogan-19	2013-11-20	Yaogan-8
RSS-20 / Yaogan-20A,B,C	2014-08-09	Yaogan-9
RSS-21 / Yaogan-21	2014-09-08	Yaogan-5
Yaogan-22	2014-10-20	Yaogan-8
Yaogan-23	2014-11-14	Yaogan-13
Yaogan-24	2014-11-20	Yaogan-11	Yaogan-24
Yaogan-25A,B,C	2014-12-10	Yaogan-9
Yaogan-26	2014-12-27	Yaogan-26
Yaogan-27	2015-08-27	Yaogan-8
Yaogan-28	2015-11-08	Yaogan-14
Yaogan-29	2015-11-26	Yaogan-29
Yaogan-30	2016-05-15	Yaogan-11

(Selected) China/PRC Gaofen (GF) series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
GF-1	2013-04-26	GF-1	GF-1 GF-1 GF-1	"GF-1"
GF-2	2014-08-19	GF-2
GF-3	201x-?
GF-4	2015-12-29	GF-4	GF-4 GF-4
GF-6	2017-?	GF-1
GF-8	2015-06-26	GF-8	GF-8
GF-9	2015-09-14	GF-9

Republic Of China (Taiwan) SATellite (Rocsat) / FORMOsa SATellite (Formosat) / Chunghua series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Rocsat-1 / Formosat-1 / Chunghua-1	1999-01-26	Rocsat-1	Rocsat / Formosat	Rocsat / Formosat
Rocsat-2 / Formosat-2*	2004-05-20	Rocsat-2
Formosat-3A/F / COSMIC-1/6	2006-04-15	Formosat-3
Formosat-5	2017-?	Formosat-5
Formosat-6	201?-?	Formosat-6
Formosat-7A/K / COSMIC-2-1/12	2018-?	Formosat-7
Formosat-8	20??-?	Formosat-8

^*Rocsat-2 newspaper article

Israeli Earth Resources Observation Satellite (EROS) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
EROS-A1	2000-12-06	EROS-A1 EROS-1	EROS	EROS
EROS-A2	Canceled
EROS-B	2006-04-25	EROS-B
EROS-C	2018-?	EROS-C

Argentine Satellite de Aplicaciones Cientifico (SAC) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
SAC-A [STS-88/Endeavour-deployed]	1998-12-04	SAC-A	SAC	SAC
SAC-B	1996-11-04	SAC-B
SAC-C	2000-11-21	SAC-C SAC-C
SAC-D / Aquarius / ESSP-6	2011-06-10	SAC-D

Canadian RADAR SATellite (Radarsat) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Radarsat-1	1995-11-04	Radarsat-1 Radarsat-1 Radarsat-1 Radarsat-1	Radarsat	Radarsat
Radarsat-2	2007-12-14	Radarsat-2

(South) KOrean Multi-Purpose SATellite (Kompsat) / Arirang series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Kompsat-1 / Arirang-1	1999-12-21	Kompsat-1 Kompsat (and Acrimsat) (patch)	Kompsat	Kompsat
Kompsat-2 / Arirang-2	2006-07-28	Kompsat-2 Kompsat-2
Kompsat-3 / Arirang-3	2012-07-15	Kompsat-3
Kompsat-3A / Arirang-3A	2015-03-25
Kompsat-5 / Arirang-5	2013-08-22	Kompsat-5

US / French Jason / Ocean Surface Topography Mission (OSTM) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Jason-1	2001-12-07	Jason-1	Jason	Jason
Jason-2 / OSTM	2008-06-20	Jason-2 Jason-2 (patch)
Jason-3	2016-01-17
Jason-CS1 / Sentinel-6	2020-?	Jason-CS

Italian COnstellation of small Satellites for Mediterranean basin Observation (COSMO-SkyMed) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
COSMO-1	2007-06-08	COSMO-SkyMed
COSMO-2	2007-12-09
COSMO-3	2008-10-25
COSMO-4	2010-11-06		COSMO-SkyMed COSMO-SkyMed

European Space Agency (ESA) CRYOgenic SATellite (CryoSat) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
CryoSat-1 [failed]	2005-10-08	CryoSat CryoSat-1	CryoSat	CryoSat
CryoSat-2 / Earth Explorer-3	2010-04-08

NIGERIA SATellite (NigeriaSat) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
NigeriaSat-1	2003-09-27	NigeriaSat-1
NigeriaSat-2	2011-08-17	NigeriaSat-2

ALgeria SATellite (AlSat) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
AlSat-1	2002-11-28	AlSat-1	AlSat	AlSat
AlSat-2A	2010-07-12	AlSat-2

French Pleiades (Pléiades) series:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Pleiades-1A	2011-12-17	Pleiades-1	Pleiades	Pleiades
Pleiades-1B	2012-12-03

A-Train environmental-observing satellites (except EOS):

Satellite	Country	Launch Date	Images
			reference	launch covers	other postal items
PARASOL	France	2004-12-18	PARASOL	PARASOL	PARASOL
CloudSat / ESSP-4	USA	2006-04-28	CloudSat CloudSat	CloudSat	CloudSat
CALIPSO / ESSP-3	France	2006-04-28	CALIPSO CALIPSO (patch)	CALIPSO	CALIPSO
OCO-1 / ESSP-5 [failed]	USA	2009-02-24	OCO OCO	OCO-1	OCO
Glory [failed]	USA	2011-03-04	Glory	Glory	Glory
OCO-2 / ESSP-5 [replacement]	USA	2014-07-02	OCO-2	OCO-2	OCO
OCO-3	USA	2018-?			OCO

European Sentinel-series satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
Sentinel-1A	2014-04-03	Sentinel-1		"Sentinel"
Sentinel-1B	2016-04-25		Sentinel-1B Sentinel-1B Sentinel-1B	Sentinel-1B Sentinel-1B Sentinel-1B Sentinel-1B Sentinel-1B Sentinel-1B Sentinel-1B
Sentinel-2A	2015-06-23	Sentinel-2	Sentinel-2A
Sentinel-2B	2017-03-07
Sentinel-3A / Copernicus	2016-02-16	Sentinel-3
Sentinel-3B	2017-?
Sentinel-4A / MTG-S1	2021-?	MTG-S MTG-S
Sentinel-4B / MTG-S2	2029-?
Sentinel-5-Precursor	2017-?	Sentinel-5-Precursor
Sentinel-5 / MetOp-SG-A1	2021-?	MetOp-SG-A
Sentinel-6 / Jason-CS1	2020-?	Jason-CS

Other (selected) US environmental-observing satellites:

Satellite	Launch Date	Images
		reference	launch covers	other postal items
SeaSat-1 (SeaSat-A)	1978-06-27	SeaSat SeaSat	SeaSat	SeaSat
ERBS / SAGE-2 [STS-41G/Challenger-deployed]	1984-10-05	ERBS ERBS ERBS ERBS (patch, with STS-41G/Challenger) ERBS (patch)	ERBS	ERBS
Geosat-1	1985-03-13	Geosat	Geosat-1 and GFO	Geosat-1 and GFO
UARS [STS-48/Discovery-deployed]	1991-09-12	UARS UARS UARS UARS (patch, with STS-48/Discovery)	UARS	UARS
TOPEX-Poseidon	1992-08-10	TOPEX-Poseidon TOPEX-Poseidon TOPEX-Poseidon TOPEX-Poseidon TOPEX-Poseidon TOPEX-Poseidon (early-design)	TOPEX-Poseidon	TOPEX-Poseidon
TOMS-EP / TOMS(-3?)	1996-07-02	TOMS-EP TOMS-EP	TOMS-EP	TOMS-EP
TRMM	1997-11-28	TRMM TRMM TRMM TRMM	TRMM	TRMM
GFO	1998-02-10	GFO GFO	Geosat-1 and GFO	Geosat-1 and GFO
QuikScat	1999-06-20	QuikScat QuikScat QuikScat (patch)	QuikScat	QuikScat
MTI	2000-03-12	MTI
QuikTOMS / TOMS-5 [failed]	2001-09-21	QuikTOMS	QuikTOMS (with OrbView-4)
Coriolis / WindSat	2003-01-06	Coriolis	Coriolis	Coriolis
ICESat	2003-01-12	ICESat ICESat	ICESat (with Explorer-82)
Hydros / ESSP-7	Canceled	Hydros
VCL / ESSP-1	Canceled	VCL
GPM	2014-02-27	GPM
SMAP	2015-01-31	SMAP SMAP (patch)	SMAP SMAP
CYGNSS-1/8 / ESSP-EVM1	2016-12-15	CYGNSS CYGNSS

Other (selected) non-US environmental-observing satellites:

Satellite	Country	Launch Date	Images
			reference	launch covers	other postal items
JERS-1 / Fuyo-1	Japan (NASDA)	1992-02-11	JERS-1 JERS	JERS	JERS
Temisat	Italy	1993-08-31	Temisat		Temisat Temisat
SACI-1	Brazil	1999-10-14	SACI-1	SACI-1 (with ZY-1-01)	"SACI-1"
SACI-2 [failed]	Brazil	1999-12-11	SACI-2
Tsinghua-1	China/PRC	2000-06-28	Tsinghua-1
Envisat	Europe (ESA)	2002-03-01	Envisat Envisat Envisat Envisat-1 Envisat	Envisat	Envisat
CESAR	Spain / Argentina	Proposed			"CESAR" "CESAR"
Bilsat	Turkey	2003-09-27	Bilsat-1
Monitor-E	Russia	2005-08-26	Monitor-E
BelKA-1 [failed]	Russia	2006-11-26	BelKA-1	BelKA-1 BelKA-1
LAPAN-TUBsat / LAPAN-A1	Indonesia / Germany	2007-01-10	LAPAN-TUBsat		LAPAN-TUBsat LAPAN-TUBsat LAPAN-TUBsat
EgyptSat-1	Egypt	2007-04-17	EgyptSat-1	EgyptSat-1 EgyptSat-1
TerraSAR-X	Germany	2007-06-15	TerraSAR-X	TerraSAR-X TerraSAR-X TerraSAR-X TerraSAR-X
HJ-1A, HJ-1B	China/PRC	2008-09-06	HJ-1A	HJ-1A+1B
RapidEye-1 (Tachys), RapidEye-2 (Mati), RapidEye-3 (Choma), RapidEye-4 (Choros), RapidEye-5 (Trochia)	Germany	2008-08-29	RapidEye	RapidEye
THEOS	Thailand	2008-10-01	THEOS		"THEOS" "THEOS" "THEOS" "THEOS"
GOSAT-1 / Ibuki	Japan (JAXA)	2009-01-23	GOSAT-1		"GOSAT"
SMOS / Earth Explorer-2	Europe (ESA)	2009-11-02	SMOS	SMOS	SMOS
TanDEM-X	Germany	2010-06-21	TanDEM-X	TanDEM-X
Rasat	Turkey	2011-08-17	Rasat		Rasat Rasat
Megha-Tropiques	India / France	2011-10-12	Megha-Tropiques		"Megha-Tropiques" "Megha-Tropiques"
GCOM-W / Shizuku	Japan (JAXA)	2012-05-17	GCOM-W
BKA / BelKA-2	Belarus/Russia	2012-07-22	BelKA-2		"BelKA-2" BKA BKA BKA
Kanopus-V	Russia	2012-07-22	Kanopus-V		"Kanopus-Vulcan" "Kanopus-B"
SARAL / Argos-3	India / France	2013-02-25	SARAL		"SARAL" "SARAL"
Kondor-1	Russia	2013-04-27	Kondor-E1		"Kondor-1"
Kuaizhou-1	China/PRC	2013-09-25
KazEOSat-1	Kazakhstan	2014-04-30	KazEOSat-1		KazEOSat
KazEOSat-2	Kazakhstan	2014-06-19	KazEOSat-2
VNREDSat-1a	Vietnam	2014-05-07	VNREDSat-1		"VNREDSat-1a"
DMC-3	UK	2015-07-10	DMC-3
LAPAN-A3	Indonesia	2016-06-22	LAPAN-A3		"LAPAN-A3"
TanSat (CarbonSat)	China/PRC	2016-12-21	TanSat	TanSat
Spark-1, Spark-2	China/PRC	2016-12-21	Spark-1	Spark-1/2
Yijian?	China/PRC	2016-12-21		Yijian
GaoJing-1-01, GaoJing-1-02	China/PRC	2016-12-28	GaoJing-1	GaoJing-1/2
VENuS	Israel / France	2017-08-02	VENuS	VENuS
ADM-Aeolus / Earth Explorer-4	Europe (ESA)	2017-?	ADM-Aeolus
EarthCARE / Earth Explorer-6	Europe (ESA)	2018-?	EarthCARE
RCM	Canada	2018-?	RCM
PRSS	Pakistan	201x-?	PRSS		PRSS
Tolou	Iran	201x-?	Tolou		Tolou
GCOM-C	Japan (JAXA)	201x-?	GCOM-C
Biomass / Earth Explorer-7	Europe (ESA)	2020-?	Biomass
GOSAT-2	Japan (JAXA)	2027-?	GOSAT-2

US commercial environmental-observing satellites:

Satellite	Company	Launch Date	Images
			reference	launch covers	other postal items
EarlyBird-1 [failed]	Earth Watch Inc.	1997-12-24	EarlyBird	EarlyBird-1	Earlybird-1
Ikonos-1 [failed]	Space Imaging Co.	1999-04-27	Ikonos	Ikonos	Ikonos
Ikonos-2	Space Imaging Co.	1999-09-24
QuickBird-1 [failed]	DigitalGlobe Inc.	2000-11-20		QuickBird	QuickBird
QuickBird-2	DigitalGlobe Inc.	2001-10-18	QuickBird-2
OrbView-1	Orbital Imaging Corp.	1995-04-03	OrbView-1	OrbView	OrbView
OrbView-2 / SeaStar / SeaWiFS	Orbital Imaging Corp.	1997-08-01	OrbView-2 OrbView-2	SeaWiFS	SeaWiFS
OrbView-3	Orbital Imaging Corp.	2003-06-26	OrbView-3	OrbView	OrbView
OrbView-4 [failed]	Orbital Imaging Corp.	2001-09-21	OrbView-4
GeoEye-1 (formerly OrbView-5)	GeoEye Inc.	2008-09-06	GeoEye-1	GeoEye	GeoEye
WorldView-1	Satellite Imaging Corp.	2007-09-18	WorldView-1	WorldView	WorldView
WorldView-2	Satellite Imaging Corp.	2009-10-08	WorldView-2
WorldView-3	Satellite Imaging Corp.	2014-08-13
WorldView-4 (formerly GeoEye-2)	GeoEye Inc.	2016-11-11	WorldView-4
SkySat-1	Skybox Imaging Inc.	2013-11-21	SkySat-1	SkySat	SkySat
SkySat-2	Skybox Imaging Inc.	2014-07-08
SkySat-3 — 7	Skybox Imaging Inc.	2016-09-16

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