Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 11.  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   11:45:17   ( -65.94,  46.04) 05/13/2019   11:46:21  ( -65.95,  46.08)    1.96                64
 05/13/2019   12:34:41   (  70.21,-141.22) 05/13/2019   12:34:30  (  70.21,-141.22)    0.12                11
 05/16/2019   04:01:29   ( -66.79, 162.85) 05/16/2019   04:02:34  ( -66.79, 162.82)    1.26                65
 05/16/2019   04:51:14   (  69.92, -25.78) 05/16/2019   04:51:03  (  69.92, -25.74)    1.43                11
 05/18/2019   20:18:00   ( -66.55, -81.54) 05/18/2019   20:19:05  ( -66.55, -81.55)    0.25                65
 05/18/2019   21:07:43   (  69.78,  89.91) 05/18/2019   21:07:32  (  69.79,  89.96)    2.39                11
 05/21/2019   12:34:30   ( -66.42,  34.20) 05/21/2019   12:35:35  ( -66.42,  34.20)    0.40                65
 05/21/2019   13:23:55   (  70.60,-152.95) 05/21/2019   13:23:45  (  70.59,-153.00)    2.18                10
 05/24/2019   04:50:59   ( -66.34, 149.99) 05/24/2019   04:52:04  ( -66.34, 150.00)    0.60                65
 05/24/2019   05:40:22   (  70.63, -37.03) 05/24/2019   05:40:12  (  70.62, -37.08)    2.13                10