2019-029AK - Norad ID: 44268
| Spacetrack Directory Name | STARLINK-55 |
| Alternative name | 2019-029AK |
| Group | Starlink 0 |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 655 |
| Country/organisation of origin | USA (US) |
| Starting point | AFETR (Kennedy Space Center/Cape Canaveral, USA) |
| Type | Satellite |
| WWW | Here |
| Categories | |
| Perigee | 355 km |
| Apogee | 361 km |
STARLINK-55, also known as Starlink 55, is a communication satellite belonging to SpaceX (SPXS). It was launched on May 24, 2019, from Launch Complex 40 at the Cape Canaveral Air Force Station using a Falcon 9 launch vehicle. The spacecraft has dimensions of 0.2 meters in length and 2.8 meters in diameter with a span of 9 meters, indicating it likely includes deployable solar arrays or other structures. It has a dry mass of 219 kilograms and was launched with a total mass of 227 kilograms. The satellite is equipped with a Ku-band payload for communication purposes, powered by solar arrays and batteries, and uses Krypton ion thrusters as its motor system. Its shape is described as box-like with an additional pan configuration.