support navigation structure site performance info center of mass retroreflector info ilrs support general satellite info

IRNSS: Mission Support

Jump to: Mission Support Status, Current Tracking Statistics, Mission Support Request

ILRS Mission Support Status:

SLR tracking data will be used for orbit determination and calibration of the orbit determined from other sources. Information about station tracking visibility has been provided by the mission.

Current ILRS Tracking Statistics: (as of 01-May-2025 00:00:26 UTC)

SatelliteSite NameStationStart DateEnd DateNo. PassesNo. Points
IRNSS-1AAltay18792015-06-04 20:30:212021-04-22 19:54:5357154
IRNSS-1AChangchun72372013-09-23 14:51:102016-08-26 14:36:533387
IRNSS-1AGrasse78452013-10-07 06:38:012022-04-29 13:32:42108631
IRNSS-1AGraz78392013-10-23 02:40:002018-04-30 12:36:4281487
IRNSS-1AHerstmonceux78402013-11-19 06:12:232017-11-25 01:25:0689296
IRNSS-1AMatera79412013-12-17 00:10:152014-04-28 20:42:4213154
IRNSS-1AMendeleevo18742018-04-14 19:54:242018-05-07 19:05:3325
IRNSS-1APotsdam78412019-04-01 19:45:342020-04-10 20:26:56515
IRNSS-1AShanghai78212014-10-05 12:13:142022-05-04 18:47:3524
IRNSS-1AWettzell88342013-10-07 11:22:482018-04-29 19:27:3151188
IRNSS-1AWettzell78272017-03-05 19:08:012023-03-25 18:38:495189
IRNSS-1AYarragadee70902013-09-05 17:54:472022-11-27 19:35:253391,255
IRNSS-1AZelenchukskaya18892015-03-11 01:29:052015-03-11 01:29:0514
IRNSS-1AZimmerwald78102013-09-24 16:27:582017-11-23 05:35:44135686
IRNSS-1BAltay18792015-08-17 21:39:132021-03-04 14:40:3342104
IRNSS-1BBeijing72492015-01-21 16:04:072024-11-21 14:36:39516
IRNSS-1BChangchun72372014-10-05 20:37:032016-12-02 18:26:362051
IRNSS-1BGrasse78452014-05-14 09:04:272025-04-03 07:50:20115567
IRNSS-1BGraz78392014-05-09 01:12:002018-10-04 14:12:4264242
IRNSS-1BHartebeesthoek75012014-11-21 01:24:492017-06-02 18:29:56212
IRNSS-1BHerstmonceux78402014-07-16 23:53:312022-05-05 02:03:59120411
IRNSS-1BPotsdam78412018-11-16 16:08:492022-09-05 19:17:26614
IRNSS-1BWettzell88342014-06-04 03:03:252025-03-17 02:26:363461,138
IRNSS-1BWettzell78272016-01-21 16:20:462025-04-04 02:36:1281139
IRNSS-1BYarragadee70902014-05-09 20:18:122022-03-04 20:12:11247968
IRNSS-1BZelenchukskaya18892014-11-12 23:07:332014-11-12 23:07:3314
IRNSS-1BZimmerwald78102014-08-16 20:49:082018-05-07 03:53:2480500
IRNSS-1CAltay18792015-09-08 20:29:582020-12-26 22:06:571744
IRNSS-1CBeijing72492015-01-21 15:13:032015-01-21 15:13:0313
IRNSS-1CChangchun72372014-11-14 11:08:352022-04-22 15:45:4667218
IRNSS-1CShanghai78212014-12-14 12:29:132022-11-07 11:23:562073
IRNSS-1CYarragadee70902014-11-19 14:18:492023-08-17 11:48:055511,917
IRNSS-1DAltay18792015-09-19 14:58:452020-09-26 21:04:401542
IRNSS-1DBeijing72492021-08-24 13:31:162021-08-24 13:31:1614
IRNSS-1DChangchun72372015-07-27 18:10:482023-12-26 10:14:35227670
IRNSS-1DKomsomolsk18682015-12-29 12:55:502020-01-17 10:01:2248
IRNSS-1DShanghai78212015-07-28 17:04:472022-08-02 14:11:2125123
IRNSS-1DYarragadee70902015-04-24 13:33:202023-03-27 20:57:22296985
IRNSS-1EBadary18902018-09-30 17:11:342018-10-30 18:50:3639
IRNSS-1EBeijing72492017-05-13 13:51:272023-04-25 15:35:49927
IRNSS-1EChangchun72372016-02-14 19:05:412022-06-23 14:46:48212580
IRNSS-1EMount Stromlo78252017-09-25 15:44:382017-09-25 15:44:3813
IRNSS-1EShanghai78212022-04-21 15:21:002022-12-30 13:16:23823
IRNSS-1ETsukuba73062023-05-25 15:29:362023-05-25 15:29:3612
IRNSS-1EYarragadee70902016-02-14 16:16:402024-05-07 20:48:203591,188
IRNSS-1FGrasse78452016-05-29 22:18:202016-06-24 17:32:43732
IRNSS-1FGraz78392016-06-22 00:00:002017-08-25 12:11:421128
IRNSS-1FHartebeesthoek75012017-06-03 21:03:062017-06-03 21:03:0612
IRNSS-1FHerstmonceux78402016-08-13 22:01:372016-12-03 18:47:31823
IRNSS-1FMatera79412016-05-27 00:20:332017-10-18 21:26:3237198
IRNSS-1FTenerife77012024-05-13 20:43:532024-07-08 20:28:2227
IRNSS-1FWettzell78272018-07-08 00:31:502020-07-25 20:26:531420
IRNSS-1IBeijing72492021-04-12 19:26:572021-06-10 17:00:13620
IRNSS-1IGrasse78452021-04-02 21:08:302025-03-31 23:01:0554265
IRNSS-1IGraz78392018-05-11 12:44:422020-04-22 13:12:4226
IRNSS-1IHerstmonceux78402019-02-26 23:07:432025-02-28 19:24:3132105
IRNSS-1IMatera79412023-03-25 01:19:232023-03-25 01:19:2314
IRNSS-1ITenerife77012022-03-01 19:39:412022-05-03 15:25:13735
IRNSS-1IWettzell88342018-10-11 09:18:552025-03-22 16:44:46225682
IRNSS-1IWettzell78272019-02-25 18:33:182024-01-10 23:36:326097
IRNSS-1IYarragadee70902018-05-09 10:53:102022-12-26 15:26:5487230
IRNSS-1JBeijing72492024-11-21 11:57:202025-03-18 18:44:39611
IRNSS-1JChangchun72372023-12-20 13:07:332025-01-03 10:43:393193
IRNSS-1JShanghai78212024-01-10 15:41:362025-03-16 10:50:5631152
IRNSS-1JYarragadee70902023-08-31 13:06:452025-04-06 12:09:45160578

 

IRNSS ILRS Mission Support Request forms:

IRNSS-1A (September 2011, PDF, Final: April 2012, PDF)
IRNSS-1B (March 2014, PDF)
IRNNS-1C (August, 2014 PDF)
IRNSS-1D (February, 2015 PDF)
IRNSS-1E (December 2015 PDF)
IRNSS-1F (March 2016 PDF)
IRNSS-1H (August 2017 PDF)
IRNSS-1I (March 2018 PDF)
IRNSS-1J (July 13, 2023, PDF, Attachment PDF)

GENERAL INFORMATION

Satellite Name: Indian Regional Navigation Satellite System
Satellite Host Organization: Indian Space Research Organization
Primary Technical Contact: G. Jagannath Das, Project Director, GSN-SNP,ISTRAC
Address: Plot No 12&13, Peenya Industrial Estate, Bangalore-560058 Karnataka, India
Phone No.: 91-080-28094527
FAX No.: 91-080-28094203
E-mail Address: gjdas@istrac.org
Web Address:
Alternate Technical Contact: T. Subramanya Ganesh, Scientist/Engineer-SF
Address: Plot No 12&13, Peenya Industrial Estate, Bangalore-560058 Karnataka, India
Phone No.: 91-080-28094216
FAX No.: 91-080-28094203
E-mail Address: ganesht@istrac.org
Web Address:
Primary Science Contact: A.S. Ganeshan, Project Director, Navigation Systems
Address: ISRO Satellite Center, Airport Road, Vimanapura Post, Bangalore-560017,Karnataka,India
Phone No.: 91-080-25084386
FAX No.: 91-080-25084275
E-mail Address: asganesh@isac.gov.in
Web Address:
Alternate Science Contact: S.C .Rathnakara, Head, NSD, Space Navigation Group
Address: ISRO Satellite Center, Airport Road, Vimanapura Post, Bangalore-560017,Karnataka,India
Phone No.: 91-080-25084331
FAX No.: 91-080-25084332
E-mail Address: ratnakar@isac.gov.in
Web Address:

MISSION SPECIFICS:

Scientific or Engineering Objectives of Mission: To provide Position and Timing information to users
Satellite Laser Ranging (SLR) Role of Mission: To obtain the orbit of IRNSS satellites and to use it for calibration of the orbit determined from other sources
Anticipated Launch Date: Second Quarter of 2012
Expected Mission Duration: 10 years

ANTICIPATED ORBITAL PARAMETERS:

Altitude: 42164 Km
Inclination: 29 Degrees
Eccentricity: 0.002

TRACKING REQUIREMENTS:

Tracking Schedule: 4 hours each day for a total of 30 days
Spatial Coverage:
Temporal Coverage: 4 one hour ranging slots totalling 4 hours each day
Data Accuracy: 5 mm or better

OPERATIONS REQUIREMENTS:

Mission Coordinator (ILRS, Subnetwork, etc.): T. Subramanya Ganesh
Priority of SLR for POD: High
Other Sources of POD (GPS, PRARE, Doppler, etc.): ISRO Tracking Data
Primary Analysis Center: IRNSS Navigation Center, Bangalore
Normal Point Time Span (sec): 10
Subnetworks/Stations Requested to Track: Kunming, Harbeesthoek, Riyadh, Matera, Wuhan
Data Delivery Time Requirements: 1 Day

RETROREFLECTOR ARRAY INFORMATION:

Description of Array and Location: Array of 40 cubes each of 38 mm diameter
Technical Contact for Array Correction/Center of Mass: M.Nageshwara, Rao, Project Director, IRNSS Space Segment, ISRO Satellite Center, Bangalore
Phone No.: 91-080-25082662
E-mail Address: mnrao@isac.gov.in
Other Comments:

Related Documentation: