| Name of Satellite, Alternate Names | IGS-3A (Information Gathering Satellite 3A) |
| Country of Operator/Owner | Japan |
| Operator/Owner | Cabinet Satellite Intelligence Center (CSIC) |
| Users | Government |
| Purpose | Reconnaissance |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 484 |
| Apogee (km) | 492 |
| Eccentricity | 0.000583260425780111 |
| Inclination (degrees) | 97.3 |
| Period (minutes) | 94.37 |
| Launch Mass (kg.) | 850 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 11-09-2006 |
| Expected Lifetime | 5 yrs. |
| Contractor | Mitsubishi |
| Country of Contractor | Japan |
| Launch Site | Tanegashima Space Center |
| Launch Vehicle | H2A |
| COSPAR Number | 2006-037A |
| NORAD Number | 29393 |
| Comments | Optical reconnaissance. |