| Name of Satellite, Alternate Names | INSAT 3A (Indian National Satellite) |
| Country of Operator/Owner | India |
| Operator/Owner | Indian Space Research Organization (ISRO) |
| Users | Government |
| Purpose | Meteorology |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 93.53 |
| Perigee (km) | 35780 |
| Apogee (km) | 35793 |
| Eccentricity | 0.000154187373240188 |
| Inclination (degrees) | 0 |
| Period (minutes) | 1436.1 |
| Launch Mass (kg.) | 2950 |
| Dry Mass (kg.) | 1348 |
| Power (watts) | 3100 |
| Date of Launch | 09-04-2003 |
| Expected Lifetime | 12 yrs. |
| Contractor | ISRO Satellite Center |
| Country of Contractor | India |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 5 |
| COSPAR Number | 2003-013A |
| NORAD Number | 27714 |
| Comments | 12 C-band, 6 extended C-band, 6 Ku-band for voice, video and data transmission to West Asia, East Asia, India; augment present INSAT capacity for communication and meteorological services. |