LIVE: PSLV(XL) C26, FLP, IRNSS-1C, October 15 2014 (2002UTC)

#120 by kanaka on 17 Oct, 2014 13:04
Quote from: vyoma on 16 Oct, 2014 03:13
Press release:
http://isro.org/pressrelease/scripts/pressreleasein.aspx?Oct16_2014

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October 16, 2014
PSLV-C26 Successfully Launches India's Third Navigation Satellite IRNSS-1C
ISRO's Polar Satellite Launch Vehicle, PSLV-C26, successfully launched IRNSS-1C, the third satellite in the Indian Regional Navigation Satellite System (IRNSS), in the early morning hours of today (October 16, 2014) at 0132 hours IST from Satish Dhawan Space Centre, Sriharikota. This is the twenty seventh consecutively successful mission of PSLV. The 'XL' configuration of PSLV was used for this mission. Previously, the same configuration of the vehicle was successfully used six times.

Hon'ble Minister of State (Space), Dr Jitendra Singh, witnessed the launch from the Mission Control Centre at SDSC, Sriharikota.

After the lift-off of PSLV-C26 with the ignition of the first stage, the important flight events, namely, stage and strap-on ignitions, heat-shield separation, stage and strap-on separations and satellite injection, took place as planned. After a flight of about 20 minutes 18 seconds, IRNSS-1C Satellite, weighing 1425 kg, was injected to an elliptical orbit of 282.56 km X 20,670 km, which is very close to the intended orbit.

After injection, the solar panels of IRNSS-1C were deployed automatically. ISRO's Master Control Facility (at Hassan, Karnataka) assumed the control of the satellite. In the coming days, four orbit manoeuvres will be conducted from Master Control Facility to position the satellite in the Geostationary Orbit at 83 deg East longitude.

IRNSS-1C is the third of the seven satellites constituting the space segment of the Indian Regional Navigation Satellite System. IRNSS-1A and IRNSS-1B, the first two satellites of the constellation, were successfully launched by PSLV on July 02, 2013 and April 04, 2014 respectively. Both IRNSS-1A and 1B are functioning satisfactorily from their designated geosynchronous orbital positions.

IRNSS is an independent regional navigation satellite system designed to provide position information in the Indian region and 1500 km around the Indian mainland. IRNSS would provide two types of services, namely, Standard Positioning Services (SPS) - provided to all users - and Restricted Services (RS), provided to authorised users.

A number of ground stations responsible for the generation and transmission of navigation parameters, satellite control, satellite ranging and monitoring, etc., have been established in as many as 15 locations across the country.

In the coming months, the next satellite of this constellation, namely, IRNSS-1D, is scheduled to be launched by PSLV. The entire IRNSS constellation of seven satellites is planned to be completed by 2015.

Any updates on dates of four orbit raising operations? By when IRNSS 1C will be placed in its final orbit?
#121 by vyoma on 17 Oct, 2014 13:10
http://www.isro.org/pslv-c26/c26-status.aspx

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Oct 17, 2014
The first orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 20 minutes, in the early morning of Oct 17, 2014. The orbital parameters are: Perigee Altitude: 320.5 km, Apogee Altitude: 35732.4 km
#122 by vyoma on 18 Oct, 2014 07:00
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Oct 18, 2014
The second orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 23 minutes, in the evening of Oct 17, 2014. The orbital parameters are: Perigee Altitude: 7187 km, Apogee Altitude: 35634 km. Orbit period: 12hr 48min 22.4sec.
#123 by vyoma on 19 Oct, 2014 11:55
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Oct 19, 2014
The third orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 31 minutes, in the evening of Oct 18, 2014. The orbital parameters are: Perigee Altitude: 30853 km, Apogee Altitude: 35647 km. Orbit period: 21hr 48min 31.76sec.
#124 by vyoma on 20 Oct, 2014 06:22
http://isro.org/pslv-c26/c26-status.aspx

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Oct 20, 2014
The fourth orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 178 seconds, in the evening of Oct 19, 2014. The orbital parameters are: Perigee Altitude: 35647 km, Apogee Altitude: 35718 km. Orbit period: 23hr 50min 47.14sec.
#125 by vyoma on 28 Nov, 2014 00:48
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Latest Updates

Nov 26, 2014
The health of IRNSS -1C spacecraft is normal. All the subsystems are functioning normally. The characterisation of navigation payloads and TTC systems were completed and the navigation information are regularly sent to the spacecraft.

http://www.isro.org/pslv-c26/c26-status.aspx
#126 by arun289 on 21 Mar, 2015 09:28
Really late to this thread

I just discovered this cool forum and joined.
I love watching rockets lift off and try and make it to every rocket launch from SHAR. I try to catch these launches from across the Pulicat lake. Here is a long exposure pic I took of the PSLV-C26 last year:

Regards,
Arun
#127 by input~2 on 21 Mar, 2015 12:11
Welcome to the forum arun289. Nice pic!