I2K Satellite Bus

Data current as of 2026-07-20.

The I2K bus accounts for 25 cataloged objects, of which 25 are in orbit and 11 are active. Most are built by ISRO. The largest operator on this bus is Indian Space Research Organisation. The first launched in 1992, the most recent in 2024.

25
In orbit
11
Active
25
Total launched
0
Reentered

I2K launched per year

1 2 3 1992: 1 object launched 1993: 1 object launched 1994: 0 objects launched 1995: 1 object launched 1996: 0 objects launched 1997: 1 object launched 1998: 0 objects launched 1999: 1 object launched 2000: 1 object launched 2001: 1 object launched 2002: 2 objects launched 2003: 3 objects launched 2004: 1 object launched 2005: 0 objects launched 2006: 0 objects launched 2007: 0 objects launched 2008: 0 objects launched 2009: 0 objects launched 2010: 1 object launched 2011: 0 objects launched 2012: 0 objects launched 2013: 1 object launched 2014: 1 object launched 2015: 1 object launched 2016: 1 object launched 2017: 1 object launched 2018: 2 objects launched 2019: 1 object launched 2020: 0 objects launched 2021: 0 objects launched 2022: 0 objects launched 2023: 2 objects launched 2024: 1 object launched 1992 1997 2002 2007 2012 2017 2022
Still in orbit Click a year to list its satellites.

Typical specifications

Most common values across cataloged I2K satellites.

Manufacturer ISRO
Purpose Communication
Launch mass 2230 kg
Dry mass 1000 kg
Length 2.4 m
Diameter 1.6 m
Span 9.5 m
Shape Box + 2 Pan
Power 2 deployable solar arrays, batteries
Propulsion ISRO LAM
Design life 10 years
Equipment 19-channel sounder, a 6-channel imager, DRT & SAR payload
Typical orbit 1436 min period, 0° inclination

Top operators

Top countries

IN 24 UK 1

I2K satellites

Track any of them live in KeepTrack.

Name NORAD COSPAR Owner Launched Orbit Status Track
INSAT-3DS Insat 3DS 58990 2024-033A ISRO Feb 17, 2024 1436 min, 0.1° Active
ADITYA-L1 Aditya-L1 57754 2023-132A ISRO Sep 2, 2023 1450 min, 19.3° Active
NVS-01 (IRNSS-1J) NVS-01 56759 2023-076A ISRO May 29, 2023 1436 min, 2.1° Active
GSAT-31 GSAT-31 44035 2019-007B ISRO Feb 5, 2019 1436 min, 0.0° Active
GSAT-7A GSAT-7A 43864 2018-105A ISRO Dec 19, 2018 1436 min, 0.1° Active
GSAT-6A GSAT-6A 43241 2018-027A ISRO Mar 29, 2018 1207 min, 3.3° Inactive
GSAT-9 South Asia Satellite 42695 2017-024A ISRO May 5, 2017 1436 min, 0.1° Active
INSAT-3DR Insat 3DR 41752 2016-054A ISRO Sep 8, 2016 1436 min, 0.1° Active
GSAT-6 GSAT-6 40880 2015-041A ISRO Aug 27, 2015 1436 min, 2.0° Active
GSAT-14 GSAT-14 39498 2014-001A ISRO Jan 5, 2014 1436 min, 0.0° Active
INSAT-3D Insat 3D 39216 2013-038B ISRO Jul 25, 2013 1436 min, 2.0° Active
HYLAS 1 Hylas 37237 2010-065A AVANTI Nov 26, 2010 1431 min, 5.7° Active
GSAT-3 (EDUSAT) EDUSAT 28417 2004-036A ISRO Sep 20, 2004 1451 min, 11.4° Inactive
INSAT-3E Insat 3E 27951 2003-043E ISRO Sep 27, 2003 1429 min, 9.8° Inactive
GSAT-2 GSAT-2 27807 2003-018A ISRO May 8, 2003 1442 min, 11.2° Inactive
INSAT-3A Insat 3A 27714 2003-013A ISRO Apr 9, 2003 1443 min, 8.9° Inactive
KALPANA-1 (METSAT 1) KALPANA-1 27525 2002-043A ISRO Sep 12, 2002 1464 min, 13.1° Inactive
INSAT-3C Insat 3C 27298 2002-002A ISRO Jan 23, 2002 1450 min, 8.5° Inactive
GSAT-1 GSAT-1 26745 2001-015A ISRO Apr 18, 2001 1387 min, 12.8° Inactive
INSAT-3B Insat 3B 26108 2000-016B ISRO Mar 21, 2000 1445 min, 10.9° Inactive
INSAT-2E (APR-1) Insat 2E 25666 1999-016A ISRO Apr 2, 1999 1445 min, 11.4° Inactive
INSAT-2D Insat 2D 24820 1997-027B ISRO Jun 3, 1997 1374 min, 12.7° Inactive
INSAT-2C Insat 2C 23731 1995-067B ISRO Dec 6, 1995 1443 min, 14.3° Inactive
INSAT-2B Insat 2B 22724 1993-048B ISRO Jul 22, 1993 1440 min, 14.5° Inactive
INSAT-2A Insat 2A 22027 1992-041A ISRO Jul 9, 1992 1437 min, 14.5° Inactive

Frequently asked questions

How many I2K satellites are there?

The catalog lists 25 objects built on the I2K bus. 25 are in orbit and 0 have reentered.

How many I2K satellites are in orbit?

25 I2K objects are currently in orbit, of which 11 carry an active status.

Who builds the I2K bus?

The I2K bus is most commonly built by ISRO.

When did the first I2K satellite launch?

The first cataloged I2K satellite launched in 1992, and the most recent in 2024.

Satellite data compiled by KeepTrack from CelesTrak, Space-Track, and GCAT, provided under CC BY-NC 4.0.