Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 14.  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)
 05/16/2019   04:01:34   ( -66.49, 162.52) 05/16/2019   04:02:39  ( -66.49, 162.51)    0.20                65
 05/16/2019   04:51:00   (  70.63, -24.66) 05/16/2019   04:50:50  (  70.63, -24.72)    2.32                10
 05/18/2019   20:18:09   ( -66.08, -82.05) 05/18/2019   20:19:14  ( -66.09, -82.01)    1.59                65
 05/18/2019   21:07:34   (  70.28,  90.67) 05/18/2019   21:07:24  (  70.28,  90.65)    0.54                10
 05/21/2019   12:34:22   ( -66.81,  34.63) 05/21/2019   12:35:28  ( -66.80,  34.60)    1.46                66
 05/21/2019   13:24:05   (  70.03,-153.84) 05/21/2019   13:23:55  (  70.04,-153.81)    1.04                10
 05/24/2019   04:50:55   ( -66.50, 150.17) 05/24/2019   04:52:01  ( -66.50, 150.17)    0.10                66
 05/24/2019   05:40:37   (  69.78, -38.33) 05/24/2019   05:40:27  (  69.79, -38.28)    2.39                10
 05/26/2019   21:07:28   ( -66.19, -94.28) 05/26/2019   21:08:34  ( -66.19, -94.26)    1.16                66
 05/26/2019   21:56:51   (  70.48,  78.62) 05/26/2019   21:56:42  (  70.47,  78.58)    1.54                 9