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From Wikipedia, the free encyclopedia

Mission typeTechnology
OperatorSRM Institute of Science and Technology
COSPAR ID2011-058D
SATCAT no.37841Edit this on Wikidata
Mission duration12 months (planned)
Spacecraft properties
Launch mass10 kilograms (22 lb)
Start of mission
Launch date12 October 2011 (2011-10-12)
RocketPSLV C18
Launch siteSatish Dhawan FLP
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Inclination20 degrees
Period102.1 minutes

SRMSAT is a Nanosatellite built by students at Sri Ramaswamy Memorial University(SRM Institute of Science and Technology, Chennai) in India. The satellite is an Indian Technology demonstration and Earth observation satellite which is operated by the SRM Institute of Science and Technology. This nanosatellite was used to monitor Greenhouse gases in atmosphere.

SRMSAT's primary mission was the development of a nanosatellite platform for future missions. Its secondary mission was monitoring of greenhouse gasses[1] using an Argus Spectrometer.[2]


  • It is a 10.4-kilogram (23 lb) spacecraft, which measures 28 centimetres (11 in) in length by 28 centimetres (11 in) 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 As of October 2017 and can be tracked easily on [3]


It was launched from the Indian Space Research Organisation (ISRO)'s Satish Dhawan Space Centre at Sriharikota in October 2011.[4] atop a Polar Satellite Launch Vehicle (PSLV) C18 rocket. The launch was a multi-payload mission shared with Megha-Tropiques, VesselSat-1 and Jugnu.[5]


SRMSAT[6] is controlled by a 28.8 MHz Atmel microcontroller. Communication is via Ultra high frequency (UHF), with a downlink at 437.5 MHz providing a data rate of 2.4 kbit/s and an uplink at 145.9 MHz with a 1 kbit/s data rate. Attitude control is via solar cell management system (SCDM), an on-board magnetometer and Global Positioning System (GPS) receiver that provide data for magnetorquer coils which interact with the Earth's magnetosphere to change the satellite's orientation.

See also


  1. ^ "TN university plans centre for space technology". The Times of India. Archived from the original on 26 January 2013.
  2. ^ "Argus Infrared Spectrometers". Thoth Technology Inc. Archived from the original on 27 November 2013.
  3. ^ "LIVE REAL TIME SATELLITE TRACKING AND PREDICTIONS: SRMSAT". - Real Time Satellite Tracking and Predictions. Retrieved 28 October 2015.
  4. ^ "PSLV-C18 carrying weather satellite launched". Times Of India.
  5. ^ Subramanian, T. S. (12 October 2011). "PSLV-C18 puts four satellites in orbit". The Hindu. Retrieved 26 January 2012.
  6. ^ "SRMSAT". NASA.

External links

This page was last edited on 14 April 2021, at 17:05
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