Fanhui Shi Weixing
Variants

-
FSW-0
FSW-1
FSW-2
FSW-3
Satellite Mass (kg)
1800
2100
2800~3100
-
Satellite Volume (m3)
7.6
7.6
12.8
-
Return Load (kg)
260
260
400
-
Launch Load (kg)
340
450
500~600
-
Mission Duration (day)
3~5
8
15~17
-
Microgravity Gradient (g)
10−3~10−5
10−3~10−5
10−3~10−5
-
Orbital Inclination (°)
57~68
57~70
57~70
-
Periapsis (km)
172~180
200~210
175~200
-
Apoapsis (km)
400~500
300~400
300~400
-
Orbit Period (min)
~90
~90
~90
-
Launch Rocket Type
Long March C
Long March C
Long March D
Long March C or D

Question: What were the 5 models of the satellites?
Answer: Four models of the satellites were FSW-0, FSW-1, FSW-2, and FSW-3.