IGS 1B
| Launched | 27 March 2003 |
| Flight ended | 25 July 2012 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 27699 |
| COSPAR ID | 2003-009B |
| Observing |
IGS 1B
| Launched | 27 March 2003 |
| Flight ended | 25 July 2012 |
| Status | Decayed |
| Launch site | Tanegashima Space Center, Japan |
| Owner | Japan |
| NORAD ID | 27699 |
| COSPAR ID | 2003-009B |
| Observing |