IRNSS-1C

{{Short description|Navigational satellite}}

{{use dmy dates|date=January 2014}}{{use Indian English|date=January 2014}}

{{Infobox spaceflight|auto=all

| name = PSLV-C26/IRNSS-1C

| image =

| image_caption =

| mission_type = Navigation

| operator = ISRO

| website =

| COSPAR_ID = 2014-061A

| SATCAT = 40269

| mission_duration = 10 years{{cite web | url=http://www.isro.org/pslv-c26/pdf/pslv-c26-brochure.pdf | title=PSLV-C26/IRNSS-1C | access-date=16 October 2014 | archive-date=21 October 2014 | archive-url=https://web.archive.org/web/20141021022807/http://www.isro.org/pslv-c26/pdf/pslv-c26-brochure.pdf | url-status=dead }}

| spacecraft = IRNSS-1D

| spacecraft_bus = I-1K

| manufacturer = ISRO Satellite Centre
Space Applications Centre

| dry_mass = {{convert|598|kg|lb}}

| launch_mass = {{convert|1424.5|kg|lb}}

| power = 1,660 W

| launch_date = {{start-date|15 October 2014, 20:02 UTC|timezone=yes}}

| launch_rocket = PSLV-XL C26

| launch_site = Satish Dhawan FLP

| launch_contractor = ISRO

| disposal_type =

| deactivated =

| last_contact =

| decay_date =

| orbit_epoch = 23 January 2015, 21:16:09 UTC{{cite web|url=http://www.n2yo.com/satellite/?s=40269|title=IRNSS 1C Satellite details 2014-061A NORAD 40269|publisher=N2YO|date=23 January 2015|access-date=25 January 2015}}

| orbit_reference = Geocentric

| orbit_regime = Geostationary

| orbit_periapsis = {{convert|35697|km|mi}}

| orbit_apoapsis = {{convert|35889|km|mi}}

| orbit_inclination = 4.78 degrees

| orbit_period = 1436.12 minutes

| orbit_longitude = 83° East

| apsis = gee

| programme = NavIC

| previous_mission = IRNSS-1B

| next_mission = IRNSS-1D

| insignia =

| insignia_caption =

| insignia_alt =

| insignia_size =

}}

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.{{cite web|url=http://space.skyrocket.de/doc_sdat/irnss.htm|title=IRNSS |publisher=space.skyrocket.de |access-date=6 December 2014}}{{cite news | url=http://www.thehindu.com/sci-tech/science/indias-pslvc26-rocket-launches-third-navigation-satellite-irnss1c/article6504091.ece | title=India launches third navigation satellite | newspaper=The Hindu | date=16 October 2014 | access-date=16 October 2014| last1=Ravikiran | first1=G. }}