| Names | Radar Imaging Satellite-2 |
|---|---|
| Mission type | Radar imaging (Reconnaissance and disaster management) |
| Operator | Indian Air Force ISRO |
| COSPAR ID | 2009-019A [1] |
| SATCAT no. | 34807 |
| Website | www |
| Mission duration | Planned: 5 years Final: 13 years, 6 months and 9 days |
| Spacecraft properties | |
| Spacecraft | RISAT-2 |
| Bus | OptSat-2000 |
| Manufacturer | ISRO (satellite) IAI (SAR radar) |
| Launch mass | 300 kg (660 lb) |
| Power | 750 watts |
| Start of mission | |
| Launch date | 20 April 2009, 01:15:00 UTC [2] |
| Rocket | PSLV-CA (PSLV-C12) |
| Launch site | Satish Dhawan, SLP |
| Contractor | Indian Space Research Organisation |
| End of mission | |
| Decay date | 30 October 2022, 00:06 UTC [3] [4] |
| Orbital parameters | |
| Reference system | Geocentric orbit [2] |
| Regime | Sun-synchronous orbit |
| Altitude | 548 km (341 mi) |
| Inclination | 41.0° |
| Period | 90.0 minutes |
RISAT-2, or Radar Imaging Satellite-2 was an Indian radar imaging reconnaissance satellite that was part of India's RISAT programme. It was built by Indian Space Research Organisation (ISRO) and successfully launched aboard a PSLV-CA launch vehicle at 01:15:00 UTC on 20 April 2009 from the Second Launch Pad at the Satish Dhawan Space Centre. [5]
The principal sensor of RISAT-2 was an X-band synthetic-aperture radar (SAR) from Israel Aerospace Industries (IAI). [6] It is designed to monitor India's borders and as part of anti-infiltration and anti-terrorist operations. [7] The satellite has a mass of 300 kg (660 lb).
RISAT-2 was built at an accelerated pace following the 2008 Mumbai attacks, due to delay with the indigenously developed C-band for RISAT-1. It is India's first dedicated reconnaissance satellite. [8]
The X-band SAR used by RISAT-2 was obtained from Israel in return for launch services for the Israeli TecSAR-1 satellite. The SAR sensor enables RISAT-2 to return images at any time of day and in all weather conditions.
RISAT-2 was India's first satellite with a synthetic-aperture radar (SAR). It possess day-night as well as all-weather monitoring capability. Potential applications include tracking hostile ships at sea that are deemed a military threat to India. [9]
Though ISRO sought to underplay the satellite's defence applications in its announcements, a substantial number of articles concerning RISAT-2 in the Indian media continue to refer to it as a "spy satellite". [10] This is also supported by the fact that its Israeli sensor is clearly pronounced a military grade sensor by its manufacturer Israel Aerospace Industries (IAI).[ citation needed ]
ISRO scientists spent tense hours on 19 April 2009 prior to launch as one of the umbilical cords holding the PSLV-CA launch vehicle to the launch pad fell off, damaging nearly six connectors. [11]
The ANUSAT student microsatellite (40 kg) was launched aboard the same launch vehicle as a secondary payload.
RISAT-2 was used to search for and eventually locate wreckage of the helicopter crash that claimed the life of Y. S. Rajasekhara Reddy, chief minister of the state of Andhra Pradesh, as well as the lives of his fellow passengers, while traveling over dense jungles in southern India on 2 September 2009. [12] The satellite reentered over Sumatra on 30 October 2022 at 00:06 UTC [4] [3] after providing payload data for 13 years. [13] [14]
The Polar Satellite Launch Vehicle (PSLV) is an expendable medium-lift launch vehicle designed and operated by the Indian Space Research Organisation (ISRO). It was developed to allow India to launch its Indian Remote Sensing (IRS) satellites into Sun-synchronous orbits, a service that was, until the advent of the PSLV in 1993, only commercially available from Russia. PSLV can also launch small size satellites into Geostationary Transfer Orbit (GTO).
Space-based radar or spaceborne radar is a radar operating in outer space; orbiting radar is a radar in orbit and Earth orbiting radar is a radar in geocentric orbit. A number of Earth-observing satellites, such as RADARSAT, have employed synthetic aperture radar (SAR) to obtain terrain and land-cover information about the Earth.
Ofeq, also spelled Offek or Ofek is the designation of a series of Israeli reconnaissance satellites first launched in 1988. Most Ofeq satellites have been carried on top of Shavit 2 launch vehicles from Palmachim Airbase in Israel, on the Mediterranean coast. The low Earth orbit satellites complete one Earth orbit every 90 minutes. The satellite launches made Israel the eighth nation to gain an indigenous launch capability. Both the satellites and the launchers were designed and manufactured by Israel Aerospace Industries (IAI) with Elbit Systems' El-Op division supplying the optical payload.
TecSAR-1, also known as TechSAR, Polaris and Ofeq-8, is an Israeli reconnaissance satellite, equipped with a synthetic-aperture radar (SAR) developed by Elta Systems. It was successfully launched at 03:45 UTC on 21 January 2008, by PSLV C-10 launch vehicle, from the Satish Dhawan Space Centre in India.
The Integrated Space Cell was the nodal agency within the Government of India which oversees the security of its space based military and civilian hardware systems. It was to be jointly operated by all the three services of the Indian Armed Forces, the civilian Defence Research and Development Organisation and the Indian Space Research Organisation (ISRO). This agency was superseded by Defence Space Agency in 2019.[better source needed]
RISAT (Radar Imaging Satellite) is a series of Indian radar imaging reconnaissance satellites built by the Indian Space Research Organization (ISRO). They provide all-weather surveillance using synthetic aperture radars (SAR).
Resourcesat-2 is a follow on mission to Resourcesat-1 and the eighteenth Indian remote sensing satellite built by Indian Space Research Organisation (ISRO). The new satellite provides the same services as the original Resourcesat-1, but was also designed to "provide data with enhanced multispectral and spatial coverage". Compared to Resourcesat-1, LISS-4 multispectral swath has been enhanced from 23 km to 70 km based on user needs. Suitable changes including miniaturization in payload electronics have been incorporated in Resourcesat-2.
Radar Imaging Satellite 1 or RISAT-1, was an Indian remote sensing satellite built and operated by the Indian Space Research Organisation (ISRO). The second RISAT satellite to be launched, it used a C-band 5.35 GHz synthetic-aperture radar (SAR) for Earth observation.
IRNSS-1E is the fifth out of seven in the Indian Regional Navigational Satellite System (IRNSS) series of satellites after IRNSS-1A, IRNSS-1B, IRNSS-1C and IRNSS-1D. It is one among the seven of the IRNSS constellation of satellites launched to provide navigational services to the region. The satellite was placed in geosynchronous orbit. IRNSS-1E has been successfully launched into orbit on 20 January 2016
EOS-04 or Earth Observation Satellite - 04 is an Indian Space Research Organisation Radar Imaging Satellite designed to provide high quality images under all weather conditions for applications such as Agriculture, Forestry & Plantations, Soil Moisture & Hydrology and Flood mapping. It is a follow on to RISAT-1 satellite with similar configuration. The satellite is developed by the ISRO and it is sixth in series of RISAT satellites.
{{Infobox rocket launch | name = PSLV-C37 | image = Fullyintegratedpslv-c37seenwithmobileservicetower.jpg | upright = yes | alt = A PSLV-XL launch vehicle stationed at a launch pad | caption = The PSLV-XL launch vehicle rolled out at Sriharikota First, prior to flight C37 | rocket = PSLV-XL | launch = 15 February 2017, 03:58:00 UTC | operator = ISRO | pad = Sriharikota [[Satish uiuhuiuuhhhNano|Nayif-1|PEASSS}}}} | outcome = Success | succession = PSLV launches | previous = PSLV-C36 | next = PSLV-C38 }}
PSLV-C42 was the 44th mission of the Indian Polar Satellite Launch Vehicle (PSLV) program and its 12th mission in the Core Alone (CA) configuration. PSLV-C42 successfully carried and deployed 2 Earth observation satellites in Sun-synchronous orbits at an altitude of 588 kilometres (365 mi). It was launched on 16 September 2018 by the Indian Space Research Organisation (ISRO) from the first launch pad of the Satish Dhawan Space Centre at Sriharikota, Andhra Pradesh. The two international satellites were launched as part of a commercial arrangement between Surrey Satellite Technology Limited (SSTL) and ISRO's commercial arm Antrix Corporation Limited, run under the auspices of the Indian Government's Department of Space.
RISAT-2B, or Radar Imaging Satellite-2B is an Indian radar reconnaissance satellite that is part of India's RISAT programme and the third satellite in the series. It is built by Indian Space Research Organisation (ISRO) to replace RISAT-2.
RISAT-2BR1 is a synthetic-aperture radar (SAR) imaging satellite built by Indian Space Research Organisation (ISRO). It is part of India's RISAT series of SAR imaging satellite and fourth satellite in the series. RISAT-2BR1 was launched on 11 December 2019 at 09:55 UTC aboard Polar Satellite Launch Vehicle PSLV-C48 from First Launch Pad (FLP) of Satish Dhawan Space Centre. It was the 50th launch of Polar Satellite Launch Vehicle and 75th launch from Satish Dhawan Space Centre.
EOS-01 is an X-band, synthetic-aperture radar (SAR) based all weather Earth imaging satellite built by the Indian Space Research Organisation (ISRO) for tasks pertaining to forestry, agricultural and disaster management. It is a part of India's RISAT series of SAR imaging spacecraft and would be third satellite in the series including RISAT-2B, RISAT-2BR1 with 120° phasing. EOS-01 has been developed at the cost of roughly ₹125 crore.
The PSLV-C52 is the 54th mission of the Indian Polar Satellite Launch Vehicle (PSLV) program. The Polar Satellite Launch Vehicle (PSLV)-C52 was launched at 05:59 (IST) on 14 February 2022 with the RISAT-1A(EOS-04), INSPIREsat, INS-2TD as its main payload.
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EOS-02 was an Indian Earth observation microsatellite developed by the Indian Space Research Organisation as a test payload on the maiden launch of the Small Satellite Launch Vehicle (SSLV). EOS-02 was based on Microsat-TD. The objective behind EOS-02 was to realize and fly an experimental imaging satellite with short turnaround time to showcase launch on demand capability.
PSLV-C48 was a mission of the Indian Polar Satellite Launch Vehicle (PSLV) rocket, launched on Thursday, December 11, 2019, at 15:25 Hrs (IST) by the Indian Space Research Organisation (ISRO) from the second launch pad of the Satish Dhawan Space Centre at Sriharikota, Andhra Pradesh.
This article incorporates text from this source, which is in the public domain.
{{cite web}}: CS1 maint: numeric names: authors list (link)RISAT-2 has enhanced the country's capability in the disaster management support activities. The satellite has completed 8 years in orbit and still providing imaging services.
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