SRMSAT is a

Nanosatellite A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under . While all such satellites can be referred to as "small", different classifications are used to categorize them based on mass. Satellites ca ...

built by students at Sri Ramaswamy Memorial University(SRM Institute of Science and Technology, Chennai) in

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

. The satellite is an Indian

Technology demonstration A technology demonstration (or tech demo), also known as demonstrator model, is a prototype, rough example or an otherwise incomplete version of a conceivable product or future system, put together as proof of concept with the primary purpose of ...

and

Earth observation Earth observation (EO) is the gathering of information about the physical, chemical, and biological systems of the planet Earth. It can be performed via remote-sensing technologies (Earth observation satellites) or through direct-contact sensors ...

satellite which is operated by the

SRM Institute of Science and Technology SRM Institute of Science and Technology (SRMIST), formerly SRM University, is a private higher education institute deemed to be university, located in Kattankulathur, Chengalpattu (near Chennai), Tamil Nadu, India. Founded in 1985 as SRM Engin ...

. This

nanosatellite A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under . While all such satellites can be referred to as "small", different classifications are used to categorize them based on mass. Satellites ca ...

was used to monitor Greenhouse gases in atmosphere. SRMSAT's primary mission was the development of a

platform Platform may refer to: Technology * Computing platform, a framework on which applications may be run * Platform game, a genre of video games * Car platform, a set of components shared by several vehicle models * Weapons platform, a system or ...

for future missions. Its secondary mission was monitoring of

greenhouse gas A greenhouse gas (GHG or GhG) is a gas that Absorption (electromagnetic radiation), absorbs and Emission (electromagnetic radiation), emits radiant energy within the thermal infrared range, causing the greenhouse effect. The primary greenhouse ...

ses using an Argus

Spectrometer A spectrometer () is a scientific instrument used to separate and measure spectral components of a physical phenomenon. Spectrometer is a broad term often used to describe instruments that measure a continuous variable of a phenomenon where the ...

Specifications

* It is a spacecraft, which measures in length by in height and width. * Its development programme cost around 1.5 crore rupee. * It had a design life of one year, but is still working and can be tracked easily on n2yo.com

Launch

It was launched from the

Indian Space Research Organisation (ISRO) The Indian Space Research Organisation (ISRO; ) is the national space agency of India, headquartered in Bengaluru. It operates under the Department of Space (DOS) which is directly overseen by the Prime Minister of India, while the Chairman 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 ...

Sriharikota Sriharikota is a Barrier island off the Bay of Bengal coast located in the Shar Project settlement of Tirupati district in Andhra Pradesh, India. It houses the Satish Dhawan Space Centre, one of the two satellite launch centres in India (the o ...

in October 2011. atop a Polar Satellite Launch Vehicle (PSLV) C18

rocket A rocket (from it, rocchetto, , bobbin/spool) is a vehicle that uses jet propulsion to accelerate without using the surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely fr ...

. The launch was a multi-payload mission shared with

Megha-Tropiques Megha-Tropiques was a satellite mission to study the water cycle in the tropical atmosphere in the context of climate change. A collaborative effort between Indian Space Research Organisation (ISRO) and French Centre National d’Etudes Spatiale ...

VesselSat-1 VesselSat-1 (Orbcomm FM42, V1) was a miniaturized satellite built and owned by LuxSpace, which was operated by Orbcomm under lease. VesselSat-1 and its sister satellite, VesselSat-2 were used by Orbcomm to compensate the functionality of the malfu ...

and Jugnu.

Parameters

SRMSAT is controlled by a 28.8 MHz

Atmel Atmel Corporation was a creator and manufacturer of semiconductors before being subsumed by Microchip Technology in 2016. Atmel was founded in 1984. The company focused on embedded systems built around microcontrollers. Its products included micr ...

microcontroller. Communication is via Ultra high frequency (UHF), with a

downlink In a telecommunications network, a link is a communication channel that connects two or more devices for the purpose of data transmission. The link may be a dedicated physical link or a virtual circuit that uses one or more physical links or shar ...

at 437.5 MHz providing a data rate of 2.4 kbit/s and an

uplink In a telecommunications network, a link is a communication channel that connects two or more devices for the purpose of data transmission. The link may be a dedicated physical link or a virtual circuit that uses one or more physical links or shar ...

at 145.9 MHz with a 1 kbit/s data rate.

Attitude control Attitude control is the process of controlling the orientation of an aerospace vehicle with respect to an inertial frame of reference or another entity such as the celestial sphere, certain fields, and nearby objects, etc. Controlling vehicle ...

is via solar cell management system (SCDM), an on-board

magnetometer A magnetometer is a device that measures magnetic field or magnetic dipole moment. Different types of magnetometers measure the direction, strength, or relative change of a magnetic field at a particular location. A compass is one such device, o ...

and Global Positioning System (GPS) receiver that provide data for

magnetorquer A magnetorquer or magnetic torquer (also known as a torque rod) is a satellite system for attitude control, detumbling, and stabilization built from electromagnetic coils. The magnetorquer creates a magnetic dipole that interfaces with an ambient ma ...

coils which interact with the

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...

magnetosphere In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field. It is created by a celestial body with an active interior dynam ...

to change the satellite's orientation.

References

External links

SRM Institute of Science and Technology

{{Orbital launches in 2011 Student satellites Amateur radio satellites Mini satellites of India Spacecraft launched in 2011 2011 in India Nanosatellites

Specifications

Launch

Parameters

See also

References

External links