| Name of Satellite, Alternate Names | Intelsat 18 (IS-18) |
| Country of Operator/Owner | USA |
| Operator/Owner | Intelsat, Ltd. |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 180 |
| Perigee (km) | 35775 |
| Apogee (km) | 35797 |
| Eccentricity | 0.000260935572634975 |
| Inclination (degrees) | 0.01 |
| Period (minutes) | 1436.09 |
| Launch Mass (kg.) | 3200 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 05-10-2011 |
| Expected Lifetime | 15 yrs. |
| Contractor | Orbital Sciences Corp. |
| Country of Contractor | USA |
| Launch Site | Baikonur Cosmodrome |
| Launch Vehicle | Zenit |
| COSPAR Number | 2011-056A |
| NORAD Number | 37834 |
| Comments | 24 C-band, 12 Ku-band; Asia Pacific Region |