US, WASHINGTON (ORDO NEWS) — The Chinese Kuhizhou-1A (Y6) rocket launched the first two operational satellites for the Xingyun narrowband constellation. The launch took place at 04:16 Moscow time on Tuesday from the Jiuquan Cosmodrome. The two Xingyun-2 (01) Wuhan and Xingyun-2 (02) satellites were developed by Xingyun Satellite Co., a subsidiary of China Aerospace Science and Industry Corporation (CASIC), Sanjiang Group, in Wuhan.
The first satellite of the Xingyun project was named Wuhan, which was to “pay tribute to the heroic city of Wuhan and the heroic people of Wuhan,” according to Chinese state media.
Each satellite has a launch mass of 93 kg, and its main payload is an L-band communications satellite and a satellite laser communications package. Other unspecified payloads are believed to be on board.
The data rate in the narrowband range is 2.4 – 9.6 kbit / s for the uplink and 2.4 kbit / s for the downlink. Satellites will operate at an altitude of SSO 561 km.
The two satellites are aimed at achieving innovations in technological areas such as inter-satellite laser communications technology, space-borne digital multipath communications and the air-ground satellite communications protocol, as well as other key industries such as polar environment monitoring.
The missile has a length of 20 meters, a take-off mass of 30 tons and a diameter of 1.4 meters. A solid propellant propulsion system consists of three engines.
The vehicle can be used with two types of fairings with a diameter of 1.2 and 1.4 meters, depending on the load being put into orbit.
A typical flight schedule includes the separation of the first stage 1 minute and 23 seconds after launch. The separation of the second stage occurs 2 minutes 21 seconds after starting, and the cowling is reset 15 seconds after the separation of the second stage.
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