Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 4 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)
 04/11/2019   08:27:40   ( -66.42,  95.97) 04/11/2019   08:28:45  ( -66.42,  95.98)    0.14                65
 04/11/2019   09:17:05   (  70.62, -91.15) 04/11/2019   09:16:55  (  70.61, -91.20)    2.01                10
 04/14/2019   00:43:57   ( -66.96,-147.55) 04/14/2019   00:45:03  ( -66.95,-147.59)    1.87                66
 04/14/2019   01:33:42   (  70.09,  23.89) 04/14/2019   01:33:32  (  70.09,  23.92)    0.91                10
 04/16/2019   17:00:35   ( -66.41, -32.28) 04/16/2019   17:01:41  ( -66.41, -32.27)    0.38                66
 04/16/2019   17:50:00   (  70.61, 140.59) 04/16/2019   17:49:51  (  70.60, 140.55)    1.65                 9
 04/19/2019   09:17:11   ( -65.96,  83.12) 04/19/2019   09:18:17  ( -65.97,  83.17)    2.24                66
 04/19/2019   10:06:35   (  70.23,-104.13) 04/19/2019   10:06:26  (  70.23,-104.12)    0.41                 9
 04/22/2019   01:33:23   ( -66.83,-160.06) 04/22/2019   01:34:30  ( -66.82,-160.08)    0.89                67
 04/22/2019   02:23:08   (  69.96,  11.33) 04/22/2019   02:22:59  (  69.96,  11.38)    2.04                 9