IRNSS-1C

PSLV-C26/IRNSS-1C
Mission type	Navigation
Operator	ISRO
COSPAR ID	2014-061A
SATCAT no.	40269
Mission duration	10 years
Spacecraft properties
Spacecraft	IRNSS-1D
Bus	I-1K
Manufacturer	ISRO Satellite Centre; Space Applications Centre
Launch mass	1,424.5 kilograms (3,140 lb)
Dry mass	598 kilograms (1,318 lb)
Power	1,660 W
Start of mission
Launch date	15 October 2014, 20:02 UTC
Rocket	PSLV-XL C26
Launch site	Satish Dhawan FLP
Contractor	ISRO
Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Longitude	83° East
Perigee altitude	35,697 kilometres (22,181 mi)
Apogee altitude	35,889 kilometres (22,300 mi)
Inclination	4.78 degrees
Period	1436.12 minutes
Epoch	23 January 2015, 21:16:09 UTC
	Polar Satellite Launch Vehicle ← PSLV-C25 PSLV-C27 →

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Template:Orbit

IRNSS-1C is the third out of seven in the Indian Regional Navigation Satellite System (IRNSS) series of satellites after IRNSS-1A and IRNSS-1B. The IRNSS constellation of satellites is slated to be launched to provide navigational services to the region. It was launched on 15 October 2014 at 20:02 UTC by PSLV-C26 and will be placed in geostationary orbit.^[1]^[3]^[4]

Satellite[edit]

The satellite will help augmenting the satellite based navigation system of India which is currently under development. The navigational system so developed will be a regional one targeted towards South Asia. The satellite will provide navigation, tracking and mapping services.^[5]

IRNSS-1C 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. The design of the payload makes the IRNSS system inter-operable and compatible with Global Positioning System (GPS) and Galileo systems.^[3] The satellite is powered by two solar arrays, which generate up to 1,660 watts, and has a life-time of ten years.

IRNSS-1C was launched successfully on 16 October 2014 at 1:32 am IST from Satish Dhawan Space Centre in Sriharikota.^[6] An update from ISRO's official Facebook page on 18 October 2014 states that

Navigation Satellite IRNSS 1C Update:

The second orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 1,563 seconds. The current orbital parameters are:

Animation of IRNSS