| Name of Satellite, Alternate Names | JCSat 1B (JCSAT 5) |
| Country of Operator/Owner | Japan |
| Operator/Owner | Sky Perfect JSAT Corporation |
| Users | Commercial |
| Purpose | Communications |
| Class of Orbit | GEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 128.03 |
| Perigee (km) | 35778 |
| Apogee (km) | 35794 |
| Eccentricity | 0.000189771325552709 |
| Inclination (degrees) | 0.01 |
| Period (minutes) | 1436.09 |
| Launch Mass (kg.) | 2982 |
| Dry Mass (kg.) | 1308 |
| Power (watts) | 5200 |
| Date of Launch | 02-12-1997 |
| Expected Lifetime | 12 yrs. |
| Contractor | Boeing Satellite Systems |
| Country of Contractor | USA |
| Launch Site | Guiana Space Center |
| Launch Vehicle | Ariane 4 |
| COSPAR Number | 1997-075A |
| NORAD Number | 25067 |
| Comments | Ku-band; voice and video communications to Asian Pacific countries and Hawaii. |