STARLINK X - Norad ID: 45065
| Spacetrack Directory Name | STARLINK-1139 |
| Alternative name | STARLINK X |
| Group | Starlink L3 |
| Orbit launches |
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| Deorbitation date |
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| Days in orbit | 1771 |
| Country/organisation of origin | USA (US) |
| Starting point | AFETR (Kennedy Space Center/Cape Canaveral, USA) |
| Type | Satellite |
| Categories | |
| Perigee | 546 km |
| Apogee | 549 km |
STARLINK-1139 is a communication satellite operated by SpaceX (SPXS) and is part of the Starlink constellation. It was launched on January 29, 2020, from Cape Canaveral Air Force Stations LC40 launch pad using a Falcon 9 rocket. The satellite measures 0.2 meters in length with a diameter of 2.8 meters and a span of 9 meters. Its dry mass is 248 kilograms, and its launch mass was 260 kilograms. Equipped with Ku/Ka-band payload (all) and optical inter-satellite links on some prototypes, it also features solar arrays and batteries for power generation and krypton ion thrusters as propulsion. The satellites shape consists of a box with a pan configuration.