| Name of Satellite, Alternate Names | Firebird-B (Focused Investigations of Relativistic Electron Burst, Intensity, Range, and Dynamics) |
| Country of Operator/Owner | USA |
| Operator/Owner | Firebird Consortium (Montana State Univ., Univ. of New Hampshire, Aerospace Corp., Los Alamos National Laboratory) |
| Users | Civil/Government |
| Purpose | Space Science |
| Class of Orbit | LEO |
| Type of Orbit | |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 443 |
| Apogee (km) | 886 |
| Eccentricity | 0.0314876679223825 |
| Inclination (degrees) | 120.3 |
| Period (minutes) | 98 |
| Launch Mass (kg.) | 2 |
| Dry Mass (kg.) | |
| Power (watts) | |
| Date of Launch | 06-12-2013 |
| Expected Lifetime | 3 yrs. |
| Contractor | Montana State University |
| Country of Contractor | USA |
| Launch Site | Vandenberg AFB |
| Launch Vehicle | Atlas 5 |
| COSPAR Number | 2013-072C |
| NORAD Number | 39464 |
| Comments | One of a simultaneously-launched pair studying space weather, in particular - electron microbursts in the Van Allen radiation belts. |