| Name of Satellite, Alternate Names | Global Change Observation Mission - 1 Water (GCOM-1, Shikuzu) |
| Country of Operator/Owner | USA/Japan |
| Operator/Owner | Japan Aerospace Exploration Agency (JAXA) |
| Users | Government |
| Purpose | Earth Science |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 701 |
| Apogee (km) | 704 |
| Eccentricity | 0.000212089077412513 |
| Inclination (degrees) | 98.2 |
| Period (minutes) | 98.8 |
| Launch Mass (kg.) | 1900 |
| Dry Mass (kg.) | |
| Power (watts) | 4.05 |
| Date of Launch | 17-05-2012 |
| Expected Lifetime | 5 yrs. |
| Contractor | Japan Aerospace Exploration Agency (JAXA) |
| Country of Contractor | Japan |
| Launch Site | Tanegashima Space Center |
| Launch Vehicle | H-II2 |
| COSPAR Number | 2012-025A |
| NORAD Number | 38337 |
| Comments | First of a series of satellites to study water circulation systems in the Earth´s atmosphere; July 2012 took up lead position in A-Train. |