Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 6 21.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(AQUA) AQUA Lat/Lon    Distance(km)  Time Diff(sec)
 06/22/2019   15:56:16   ( -51.69, -25.59) 06/22/2019   15:57:29  ( -51.62, -25.04)   39.06                73
 06/22/2019   16:41:34   (  69.75, 156.36) 06/22/2019   16:41:38  (  69.74, 156.36)    0.08                 4
 06/22/2019   17:31:32   ( -72.27, -32.05) 06/22/2019   17:30:20  ( -72.27, -32.03)    0.82                72
 06/25/2019   08:57:55   (  70.07, -87.27) 06/25/2019   08:58:01  (  70.06, -87.32)    2.07                 6
 06/25/2019   09:47:54   ( -72.54,  84.36) 06/25/2019   09:46:44  ( -72.53,  84.32)    1.21                70
 06/28/2019   01:14:32   (  69.49,  27.76) 06/28/2019   01:14:39  (  69.49,  27.77)    0.68                 7
 06/28/2019   02:04:29   ( -72.08,-160.64) 06/28/2019   02:03:20  ( -72.09,-160.60)    1.81                69
 06/30/2019   17:30:50   (  69.97, 144.35) 06/30/2019   17:30:59  (  69.97, 144.31)    1.86                 9
 06/30/2019   18:20:50   ( -72.40, -44.15) 06/30/2019   18:19:43  ( -72.39, -44.17)    0.83                67
 07/03/2019   09:47:26   (  69.50,-100.46) 07/03/2019   09:47:36  (  69.50,-100.45)    0.38                10