| Name of Satellite, Alternate Names | FAST 1 (Sara Lilly and Emma, USA 222) |
| Country of Operator/Owner | USA |
| Operator/Owner | University of Texas - Austin |
| Users | Civil |
| Purpose | Technology Development |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 627 |
| Apogee (km) | 654 |
| Eccentricity | 0.00192568290421511 |
| Inclination (degrees) | 71.97 |
| Period (minutes) | 97.54 |
| Launch Mass (kg.) | 55 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 20-11-2010 |
| Expected Lifetime | |
| Contractor | University of Texas - Austin |
| Country of Contractor | USA |
| Launch Site | Kodiak Launch Complex |
| Launch Vehicle | Minotaur 4 |
| COSPAR Number | 2010-062F |
| NORAD Number | 37227 |
| Comments | Consists of two satellites that will be launched together -- Sara Lily and Emma. |