Tiangong Orbit Change Signals Likely Date for Shenzhou 10

August 30, Tiangong 1's controllers raised its orbit by 11 kilometres, indicating that a target date for the Shenzhou 10 mission has probably been set. As August 30 dawned, Tiangong 1 was following a 344 x 356 kilometre orbit at 42.8 degrees inclination. Soon after noon UTC, a firing of its thrusters raised perigee to create a new apogee. The orbit became 355 x 366 kilometres at the same inclination as before. More

(Source: SpaceDaily.com - Sep 4)