Table 3
Scenario for the Tiangong-1 re-entry prediction

Section Element Value
Shape of a Satellite Mass 8,500 kg
Reflection Area 17 m2
Drag Area 17 m2
Drag Coefficient 2.2
Reflectivity Coefficient 1.2

Initial Orbit condition Semi-major axis Altitude 6,699.4 km
Eccentricity 0.002055
Orbital Inclination 42.80°
The Right Ascension of Ascending Node 28.13°
Argument of Perigee 332.87°
Mean Anomaly 182.50°

Initial Time (UTC) Date 2017-09-11
Time 18:18:31