The Letter Written by lord Venkateswara Swamy to Kubera Thousands of Years Ago

Satellites

(Sorted initially by launch date.)

Satellite	Launch Date	Launch Vehicle	Remarks	ISRO Link
Aryabhata	19 April 1975	C-1 Intercosmos	Provided technological experience in building and operating a satellite system.	[1]
Bhaskara-I	7 June 1979	C-1 Intercosmos	First experimental remote sensing satellite. Carried TV and microwave cameras.	[2]
Rohini Technology Payload	10 August 1979	SLV-3	Intended for measuring in-flight performance of first experimental flight of SLV-3, the first Indian launch vehicle. Did not achieve orbit.	[3]
Rohini RS-1	18 July 1980	SLV-3	Used for measuring in-flight performance of second experimental launch of SLV-3.	[4]
Rohini RS-D1	31 May 1981	SLV-3	Used for conducting some remote sensing technology studies using a landmark sensor payload.Launched by the first developmental launch of SLV-3.	[5]
Ariane Passenger Payload Experiment	19 June 1981	Ariane-1 (V-3)	First experimental communication satellite. Provided experience in building and operating a payload experiment three-axis stabilised communication satellite.	[6]
Bhaskara-II	20 November 1981	C-1 Intercosmos	Second experimental remote sensing satellite; similar to Bhaskara-1. Provided experience in building and operating a remote sensing satellite system on an end-to-end basis.	[7]
INSAT-1A	10 April 1982	Delta 3910 PAM-D	First operational multipurpose communication and meteorology satellite. Procured from USA. Worked for only six months.	[8]
Rohini RS-D2	17 April 1983	SLV-3	Identical to RS-D1. Launched by the second developmental launch of SLV-3.	[9]
INSAT-1B	30 August 1983	Shuttle [PAM-D]	Identical to INSAT-1A. Served for more than design life of seven years.	[10]
Stretched Rohini Satellite Series(SROSS-1)	24 March 1987	ASLV	Carried payload for launch vehicle performance monitoring and for gamma ray astronomy. Did not achieve orbit.	[11]
IRS-1A	17 March 1988	Vostok	Earth observation satellite. First operational remote sensing satellite.	[12]
Stretched Rohini Satellite Series(SROSS-2)	13 July 1988	ASLV	Carried remote sensing payload of German space agency in addition to Gamma Ray astronomy payload. Did not achieve orbit.	[13]
INSAT-1C	21 July 1988	Ariane-3	Same as INSAT-1A. Served for only one-and-a-half years.	[14]
INSAT-1D	12 June 1990	Delta 4925	Identical to INSAT-1A. Still in service. A third stage motor landed from its launch, landed in Austrialia in 2008.[1]	[15]
IRS-1B	29 August 1991	Vostok	Earth observation satellite. Improved version of IRS-1A.	[16]
INSAT-2DT	26 February 1992	Ariane-44L H10	Launched as Arabsat 1C. Procured in orbit from Arabsat in January 1998.	[17]
Stretched Rohini Satellite Series(SROSS-C)	20 May 1992	ASLV	Carried gamma ray astronomy and aeronomy payload.	[18]
INSAT-2A	10 July 1992	Ariane-44L H10	First satellite in the second-generation Indian-built INSAT-2 series. Has enhanced capability over INSAT-1 series. Still in service.	[19]
INSAT-2B	23 July 1993	Ariane-44L H10+	Second satellite in INSAT-2 series. Identical to INSAT-2A. Still in service.	[20]
IRS-1E	20 September 1993	PSLV-D1	Earth observation satellite. Did not achieve orbit.	[21]
Stretched Rohini Satellite Series(SROSS-C2)	4 May 1994	ASLV	Identical to SROSS-C. Still in service.	[22]
IRS-P2	15 October 1994	PSLV-D2	Earth observation satellite. Launched by second developmental flight of PSLV.	[23]
INSAT-2C	7 December 1995	Ariane-44L H10-3	Has additional capabilities such as mobile satellite service, business communication and television outreach beyond Indian boundaries. Still in service.	[24]
IRS-1C	29 December 1995	Molniya	Earth observation satellite. Launched from Baikonur Cosmodrome.	[25]
IRS-P3	21 March 1996	PSLV-D3	Earth observation satellite. Carries remote sensing payload and an X-ray astronomy payload. Launched by third developmental flight of PSLV.	[26]
INSAT-2D	4 June 1997	Ariane-44L H10-3	Same as INSAT-2C. Inoperable since 1997-10-04 due to power bus anomaly.	[27]
IRS-1D	29 September 1997	PSLV-C1	Earth observation satellite. Same as IRS-1C.	[28]
INSAT-2E	3 April 1999	Ariane-42P H10-3	Multipurpose communication and meteorological satellite.	[29]
IRS-P4OCEANSAT	26 May 1999	PSLV-C2	Earth observation satellite. Carries an Ocean Colour Monitor (OCM) and a Multifrequency Scanning Microwave Radiometer (MSMR).	[30]
INSAT-3B	22 March 2000	Ariane-5G	Multipurpose communication: business communication, developmental communication, and mobile communication.	[31]
GSAT-1	18 April 2001	GSLV-D1	Experimental satellite for the first developmental flight of Geosynchronous Satellite Launch Vehicle, GSLV-D1.	[32]
Technology Experiment Satellite (TES)	22 October 2001	PSLV-C3	Experimental satellite to test technologies such as attitude and orbit control system, high-torque reaction wheels, new reaction control system, etc.	[33]
INSAT-3C	24 January 2002	Ariane-42L H10-3	Designed to augment the existing INSAT capacity for communication and broadcasting and provide continuity of the services of INSAT-2C.	[34]
Kalpana-1(METSAT)	12 September 2002	PSLV-C4	First meteorological satellite built by ISRO. Originally named METSAT. Renamed after Kalpana Chawla who perished in the Space Shuttle Columbia.	[35]
INSAT-3A	10 April 2003	Ariane-5G	Multipurpose satellite for communication, broadcasting, and meteorological services along with INSAT-2E and Kalpana-1.	[36]
GSAT-2	8 May 2003	GSLV-D2	Experimental satellite for the second developmental test flight of Geosynchronous Satellite Launch Vehicle (GSLV)	[37]
INSAT-3E	28 September 2003	Ariane-5G	Communication satellite to augment the existing INSAT System.	[38]
RESOURCESAT-1 (IRS-P6)	17 October 2003	PSLV-C5	Earth observation/remote sensing satellite. Intended to supplement and replace IRS-1C and IRS-1D.	[39]
EDUSAT	20 October 2004	GSLV-F01	Also designated GSAT-3. India’s first exclusive educational satellite.	[40]
HAMSAT	5 May 2005	PSLV-C6	Microsatellite (42.5 kilograms) for providing satellite-based amateur radio services to the national as well as the international community.	[41]
CARTOSAT-1	5 May 2005	PSLV-C6	Earth observation satellite. Provides stereographic in-orbit images with a 2.5-meter resolution.	[42]
INSAT-4A	22 December 2005	Ariane-5GS	Advanced satellite for direct-to-home television broadcasting services.	[43]
INSAT-4C	10 July 2006	GSLV-F02	Geosynchronous communications satellite. Did not achieve orbit.	[44]
CARTOSAT-2	10 January 2007	PSLV-C7	Advanced remote sensing satellite carrying a panchromatic camera capable of providing scene-specific spot images.	[45]
Space Capsule Recovery Experiment(SRE-1)	10 January 2007	PSLV-C7	Experimental satellite intended to demonstrate the technology of an orbiting platform for performing experiments in microgravity conditions. Launched as a co-passenger with CARTOSAT-2. SRE-1 was de-orbited and recovered successfully after 12 days over Bay of Bengal.	[46]
INSAT-4B	12 March 2007	Ariane-5ECA	Identical to INSAT-4A. Further augments the INSAT capacity for direct-to-home (DTH) television services and other communications. On the night of 7 July INSAT-4B experienced a power supply glitch which led to switching 'off' of 50 per cent of the transponder capacity (6 Ku and 6 C-Band transponders).	[47]
INSAT-4CR	2 September 2007	GSLV-F04	Identical to INSAT-4C. It carried 12 high-power Ku-band transponders designed to provide direct-to-home (DTH) television services, Digital Satellite News Gathering etc.	[48]
CARTOSAT-2A	28 April 2008	PSLV-C9	Earth observation/remote sensing satellite. Identical to CARTOSAT-2.	[49]
IMS-1 (Third World Satellite – TWsat)	28 April 2008	PSLV-C9	Low-cost microsatellite imaging mission. Launched as co-passenger with CARTOSAT-2A.	[50]
Chandrayaan-1	22 October 2008	PSLV-C11	Unmanned lunar probe. Carries 11 scientific instruments built in India, USA, UK, Germany, Sweden and Bulgaria.	[51]
RISAT-2	20 April 2009	PSLV-C12	Radar imaging satellite used to monitor India's borders and as part of anti-infiltration and anti-terrorist operations. Launched as a co-passenger with ANUSAT.	[52]
ANUSAT	20 April 2009	PSLV-C12	Research microsatellite designed at Anna University. Carries an amateur radio and technology demonstration experiments.	[53]
Oceansat-2 (IRS-P4)	23 September 2009	PSLV-C14	Gathers data for oceanographic, coastal and atmospheric applications. Continues mission of Oceansat-1.	[54]
GSAT-4	15 April 2010	GSLV-D3	Communications satellite technology demonstrator. Failed to reach orbit due to GSLV-D3 failure.	[55]
CARTOSAT-2B	12 July 2010	PSLV-C15	Earth observation/remote sensing satellite. Identical to CARTOSAT-2A.	[56]
GSAT-5P /INSAT-4D	25 December 2010	GSLV-F06	C-band communication satellite, failed to reach orbit due to GSLV-F06 failure.	[57]
RESOURCESAT-2	20 April 2011	PSLV-C16	PSLV-C16 placed three satellites with a total payload mass of 1404 kg - RESOURCESAT-2 weighing 1206 kg, the Indo-Russian YOUTHSAT weighing 92 kg and Singapore's X-SAT weighing 106 kg – into an 822 km polar Sun Synchronous Orbit (SSO).	. [58]
GSAT-8 / INSAT-4G	21 May 2011	Ariane-5VA-202	Communications satellite carries 24 Ku-band transponders and 2 channel GAGAN payload operating in L1 and L5 band.	[59]
GSAT-12	15 July 2011	PSLV-C17	GSAT-12 communication satellite built by ISRO, weighs about 1410 kg at lift-off. GSAT-12 is configured to carry 12 Extended C-band transponders to meet the country's growing demand for transponders in a short turn-around-time.The 12 Extended C-band transponders of GSAT-12 will augment the capacity in the INSAT system for various communication services like Tele-education, Telemedicine and for Village Resource Centres (VRC).Mission life About 8 Years.	[60]
Megha-Tropiques	12 October 2011	PSLV-C18	Megha-Tropiques weighs about 1000kg Lift-off Mass, developed jointly by ISRO and the French Centre National d'Études Spatiales (CNES). PSLV-C18 is configured to carry four satellites in which, one satellite, developed by India and France, will track the weather, two were developed by educational institutions, and the fourth is from Luxembourg.	[61]
RISAT-1	26 April 2012	PSLV-C19	RISAT-1, first indigenous all-weather Radar Imaging Satellite (RISAT-1), whose images will facilitate agriculture and disaster management weighs about 1858kg.	[62]
GSAT-10	29 September 2012	Ariane-5VA-209	GSAT-10, India’s advanced communication satellite, is a high power satellite being inducted into the INSAT system. Weighing 3400 kg at lift-off.	[63]
SARAL	25 February 2013	PSLV-C20	SARAL, The Satellite with ARGOS and ALTIKA (SARAL) is a joint Indo-French satellite mission for oceanographic studies.