EIRSAT-1
| Names | Educational Irish Research Satellite-1 | 
|---|---|
| Mission type | Technology demonstration | 
| Operator | University College Dublin | 
| COSPAR ID | 2023-185L | 
| SATCAT no. | 58472 | 
| Website | eirsat1.ie | 
| Mission duration | 9-24 months (planned) 18 months (in progress) | 
| Spacecraft properties | |
| Spacecraft | CubeSat | 
| Spacecraft type | 2U CubeSat | 
| Manufacturer | University College Dublin | 
| Launch mass | 2.305 kg (5.08 lb) | 
| Dimensions | 10.67 cm × 10.67 cm × 22.7 cm (4.20 in × 4.20 in × 8.94 in) | 
| Power | 2.217 watts | 
| Start of mission | |
| Launch date | 1 December 2023, 18:19 UTC | 
| Rocket | Falcon 9 B1061-17 | 
| Launch site | Vandenberg SLC-4E | 
| Contractor | SpaceX | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Sun-synchronous | 
| Transponders | |
| Band | UHF | 
| Frequency | 437.1 MHz | 
EIRSAT-1 (Educational Irish Research Satellite-1) is a European Space Agency-sponsored 2U CubeSat developed and built by University College Dublin (UCD) in Dublin, Ireland.
On 1 December 2023, EIRSAT-1 launched on a Falcon 9 rocket from Vandenberg Space Force Base, California. Upon reaching orbit, it became Ireland's first satellite.