| Name of Satellite, Alternate Names | INSAT 4A (Indian National Satellite) |
| Country of Operator/Owner | India |
| Operator/Owner | Indian Space Research Organization (ISRO) |
| Users | Government |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 83.08 |
| Perigee (km) | 35777 |
| Apogee (km) | 35796 |
| Eccentricity | 0.000225350776274121 |
| Inclination (degrees) | 0.03 |
| Period (minutes) | 1436.1 |
| Launch Mass (kg.) | 3100 |
| Dry Mass (kg.) | |
| Power (watts) | 5500 |
| Date of Launch | 21-12-2005 |
| Expected Lifetime | 12 yrs. |
| Contractor | ISRO Satellite Center |
| Country of Contractor | India |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 5G |
| COSPAR Number | 2005-049A |
| NORAD Number | 28911 |
| Comments | 12 Ku-band, 12 C-band transponders for data and TV services. |