Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 12.  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)
 05/13/2019   11:45:18   ( -65.86,  45.96) 05/13/2019   11:46:22  ( -65.87,  46.00)    2.29                64
 05/13/2019   12:34:43   (  70.08,-141.41) 05/13/2019   12:34:32  (  70.08,-141.40)    0.47                11
 05/16/2019   04:01:32   ( -66.60, 162.63) 05/16/2019   04:02:37  ( -66.60, 162.62)    0.52                65
 05/16/2019   04:51:16   (  69.78, -25.97) 05/16/2019   04:51:05  (  69.79, -25.92)    2.32                11
 05/18/2019   20:18:07   ( -66.19, -81.93) 05/18/2019   20:19:12  ( -66.20, -81.91)    1.07                65
 05/18/2019   21:07:32   (  70.39,  90.83) 05/18/2019   21:07:22  (  70.38,  90.80)    1.18                10
 05/21/2019   12:34:19   ( -67.03,  34.89) 05/21/2019   12:35:25  ( -67.03,  34.84)    2.23                66
 05/21/2019   13:24:03   (  70.20,-153.59) 05/21/2019   13:23:53  (  70.20,-153.58)    0.14                10
 05/24/2019   04:50:50   ( -66.79, 150.49) 05/24/2019   04:51:56  ( -66.78, 150.46)    1.16                66
 05/24/2019   05:40:33   (  70.00, -38.00) 05/24/2019   05:40:23  (  70.01, -37.97)    1.11                10