Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 10.  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)
 05/10/2019   19:28:41   ( -66.42, -69.33) 05/10/2019   19:29:45  ( -66.42, -69.32)    0.14                64
 05/10/2019   20:18:08   (  70.52, 103.39) 05/10/2019   20:17:57  (  70.51, 103.35)    1.86                11
 05/13/2019   11:45:17   ( -65.96,  46.06) 05/13/2019   11:46:21  ( -65.97,  46.10)    1.93                64
 05/13/2019   12:34:42   (  70.17,-141.27) 05/13/2019   12:34:31  (  70.17,-141.27)    0.06                11
 05/16/2019   04:01:28   ( -66.81, 162.87) 05/16/2019   04:02:33  ( -66.81, 162.84)    1.37                65
 05/16/2019   04:51:13   (  69.94, -25.75) 05/16/2019   04:51:02  (  69.94, -25.72)    1.32                11
 05/18/2019   20:18:00   ( -66.57, -81.52) 05/18/2019   20:19:05  ( -66.57, -81.53)    0.49                65
 05/18/2019   21:07:43   (  69.80,  89.93) 05/18/2019   21:07:32  (  69.81,  89.98)    2.13                11
 05/21/2019   12:34:29   ( -66.49,  34.27) 05/21/2019   12:35:34  ( -66.49,  34.27)    0.08                65
 05/21/2019   13:24:11   (  69.77,-154.23) 05/21/2019   13:24:00  (  69.78,-154.17)    2.43                11