HySIS (

Hyperspectral Imaging Hyperspectral imaging collects and processes information from across the electromagnetic spectrum. The goal of hyperspectral imaging is to obtain the spectrum for each pixel in the image of a scene, with the purpose of finding objects, identifyi ...

Satellite) is an

Earth observation satellite An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy satellites and similar ones intended for non-military uses such as environmental monitoring, me ...

which will provide hyperspectral imaging services to India for a range of applications in agriculture, forestry and in the assessment of geography such as coastal zones and inland waterways The data will also be accessible to India's defence forces. Before HySIS, other Indian hyperspectral imaging payloads were HySI (Hyper Spectral Imager) on IMS-1 and

Chandrayaan-1 Chandrayaan-1 (, ) was the first Indian lunar probe under the Chandrayaan program. It was launched by the Indian Space Research Organisation in October 2008, and operated until August 2009. The mission included a lunar orbiter and an impacto ...

and LiVHySI (Limb Viewing Hyper Spectral Imager) on

YouthSat YouthSat is a Russian-Indian scientific-educational artificial satellite developed on the basis of an agreement between the Russian Federal Space Agency and the Indian Space Research Organisation (ISRO). It is built using ISRO's Indian Mini Satel ...

Payloads

HySIS carries two payloads, the first is the Visible Near Infrared (VNIR) with spectral range of 0.4 to 0.95 micrometres with 60 contiguous spectral bands and the second is the Shortwave Infrared Range (SWIR) with spectral range of 0.85 to 2.4

micrometre The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Unit ...

s with a 10

nanometre 330px, Different lengths as in respect to the molecular scale. The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American and British English spelling differences#-re ...

bandwidth and 256 contiguous spectral bands. The satellite will have a spatial resolution of 30 metres and a swath of 30 km from its 630 km

sun-synchronous orbit A Sun-synchronous orbit (SSO), also called a heliosynchronous orbit, is a nearly polar orbit around a planet, in which the satellite passes over any given point of the planet's surface at the same local mean solar time. More technically, it is ...

Space Applications Centre The Space Applications Centre (SAC) is an institution of research in Ahmedabad under the aegis of the Indian Space Research Organisation (ISRO). It is one of the major centres of ISRO that is engaged in the research, development and demonstrat ...

and

Semi-Conductor Laboratory The Semi-Conductor Laboratory, Mohali (SCL) is a research institute under Ministry of Electronics and Information Technology (MeitY), Government of India (formerly under Department Of Space). Its aims include research and development in the field ...

were responsible for the development and fabrication of the '

Frame Transfer CCD A charge-coupled device (CCD) is an integrated circuit containing an array of linked, or coupled, capacitors. Under the control of an external circuit, each capacitor can transfer its electric charge to a neighboring capacitor. CCD sensors are a ...

' for the VNIR imaging payload while

ISRO Satellite Centre The U R Rao Satellite Centre (URSC), formerly ISRO Satellite Centre (ISAC) ( hi, इसरो उपग्रह केंद्र) is an Indian Space Research Organisation centre for the design, development, and construction of Indian satel ...

supplied the modified IMS-2 bus and carried out the final assembly, integration and testing.

Launch

PSLV-C43 The PSLV-C43 was the 45th mission of the Indian Polar Satellite Launch Vehicle (PSLV) program. It carried and deployed a total of 31 satellites, including the primary payload HySIS in sun-synchronous orbits. It was launched on 29 November 2018 by ...

carrying HySIS and 30 secondary payloads was launched at 04:27:30 UTC, 29 November 2018 from First Launch Pad of

Satish Dhawan Space Centre Satish Dhawan Space Centre - SDSC (formerly Sriharikota Range - SHAR) is a rocket launch centre (spaceport) operated by Indian Space Research Organisation (ISRO). It is located in Sriharikota, Tirupati district of Andhra Pradesh. Sriharikota R ...

. After a flight that lasted 17 minutes and 19 seconds, HySIS was successfully placed in a planned sun-synchronous polar orbit at around 645 km.

References

Earth observation satellites of India Mini satellites of India Spacecraft launched by India in 2018 Spacecraft launched by PSLV rockets November 2018 events in India Earth imaging satellites {{Commons category, HySIS

Payloads

Launch

See also

References