Launch of Arabsat-6A on Falcon Heavy
| |
| Mission type | Communications satellite |
|---|---|
| Operator | King Abdulaziz City for Science and Technology |
| COSPAR ID | 2019-021A  |
| SATCAT no. | 44186 |
| Mission duration | 5 years, 2 months and 19 days (elapsed) |
| Spacecraft properties | |
| Spacecraft type | Telecomm |
| Bus | A2100 |
| Manufacturer | Lockheed Martin |
| Launch mass | 6,465 kg [1] |
| Start of mission | |
| Launch date | April 11, 2019, 22:35 UTC |
| Rocket | Falcon Heavy |
| Launch site | Kennedy LC-39A |
| Contractor | SpaceX |
| Orbital parameters | |
| Reference system | Geocentric[1] |
| Regime | Geostationary |
| Longitude | 30.5° E[2] |
Arabsat-6G program
Hellas Sat 4/SaudiGeoSat-1 [3] → | |
Arabsat-6A is a geostationary communications satellite operated by Arabsat.[4] The satellite was built by Lockheed Martin Space Systems on a modernized A2100 bus.[5] The satellite was successfully launched from Kennedy Space Center LC-39A aboard Falcon Heavy on April 11, 2019.[6][7]
Arabsat-6A and SaudiGeoSat-1/HellasSat-4 are the two satellites of the Arabsat-6G program, ordered by the Arab League to supply the communications needs of member states.[8]
Contracts to build the two satellites were awarded to Lockheed Martin Space Systems in April 2015. Arabsat ultimately awarded the launch contract for Arabsat-6A to SpaceX for a Falcon Heavy flight with no expendable boosters.[9] The Falcon Heavy was chosen over the Falcon 9 due to its far superior thrust; the extra boost would extend the satellite's operational lifespan from 15 years to 18-20 years.[10]
Arabsat 6A is based on an updated version of the A2100 bus and is considered among the most advanced communications satellites built.[11] The spacecraft utilizes fixed and steerable Ku-band and Ka-band transponders to provide TV and radio services to the Middle East and North Africa from its station at 30.5°E.[12]
Arabsat-6A was launched aboard the first operational Falcon Heavy on 11 April 2019 at 22:35 UTC from Kennedy Space Center LC-39A.[6] Following a successful launch, the twin side boosters separated from the center core and returned to land at Landing Zones 1 and 2, while the center core completed its mission and landed on Of Course I Still Love You. En route to port after a successful landing, the center core tipped over in the rough seas, and was destroyed. Approximately 34 minutes after launch, the Arabsat-6A was released from the second stage and began a 17-day process to reach its operational orbit.[12]
On June 15, 2021, the 4-tonne second stage re-entered the Earth's atmosphere, its orbit having gradually decayed due to atmospheric drag, with an uncontrolled splash down in the Coral Sea east of Australia[13]
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