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From Wikipedia, the free encyclopedia

Mission typeNavigation
COSPAR ID2016-003A[1]
SATCAT no.41241[2]
Mission duration12 years
Spacecraft properties
Spacecraft typeSatellite
ManufacturerISRO Satellite Centre
Space Applications Centre
Launch mass1,425 kilograms (3,142 lb)
Dry mass598 kilograms (1,318 lb)
Power1660 W
Start of mission
Launch date09:31:00, 20 January 2016 (UTC) (2016-01-20T09:31:00UTC)
Launch siteSatish Dhawan Second[3]
Orbital parameters
Reference systemGeocentric
← PSLV-C30

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.[5] IRNSS-1E has been successfully launched into orbit on 20 January 2016[6][7]


IRNSS-1E will help augmenting the satellite based navigation system of India which is currently under development. The navigational system so developed will be regional, targeted towards South Asia. The satellite will provide navigation, tracking and mapping services.[8]

The satellite will have two payloads: a navigation payload and CDMA ranging payload in addition with a laser retro-reflector. The payload generates navigation signals at L5 and S-band. design of the payload makes the IRNSS system interoperable and compatible with Global Positioning System (GPS) and Galileo.[5] The satellite is powered by two solar arrays, which generate power up to 1,660 watts, and has a designed life-time of twelve years.[6]


Polar Satellite Launch Vehicle, in its 33rd flight (PSLV-C31), launched IRNSS-1E, the fifth satellite of the Indian Regional Navigation Satellite System (IRNSS). The launch took place from the Second Launch Pad (SLP) of Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. As in the previous four launches of IRNSS satellites, PSLV-C31 will use ‘XL’ version of PSLV. This is the eleventh time ‘XL’ configuration is being flown, earlier ten being PSLV-C11/Chandrayaan-1, PSLV-C17/GSAT-12, PSLV-C19/RISAT-1, PSLV-C22/IRNSS-1A, PSLV-C25/Mars Orbiter Spacecraft, PSLV-C24/IRNSS-1B, PSLV-C26/IRNSS-1C, PSLV-C27/IRNSS-1D, PSLV-C28/DMC-3 and PSLV-C30/ASTROSAT missions.[9]

Animation of IRNSS
Around the Earth
Around the Earth - Polar view
Earth fixed frame - Equatorial view, front
Earth fixed frame - Equatorial view, side
   Earth ·   IRNSS-1B  ·   IRNSS-1C  ·   IRNSS-1E  ·   IRNSS-1F  ·   IRNSS-1G  ·   IRNSS-1I

See also


  1. ^ NASA Space Science Data Coordinated Archive
  2. ^
  3. ^ "PSLV-C31/IRNSS-1E - ISRO". Retrieved 12 January 2016.
  4. ^ a b "Towards Self Reliance in Navigation-IRNSS". ISRO. Archived from the original on 10 March 2016.
  5. ^ a b "IRNSS". Retrieved 6 December 2014.
  6. ^ a b "Deccan chronicle ISRO chairman congratulates team on successful launch".
  7. ^ "Successful commercial launches boost ISRO's reputation in 2015". Retrieved 30 December 2015.
  8. ^ "ISRO: After GSLV launch, PSLV C24 with IRNSS-1B likely in March". India TV. 5 January 2014. Retrieved 6 January 2014.
  9. ^ PSLV-C31/IRNSS-1E, ISRO. Retrieved 14 January 2016

External links

This page was last edited on 17 December 2020, at 07:23
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