Simultaneous Nadir Overpasses (SNOs) between FY3D and AQUA
TLE Epoch: 2019 5 22.  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)
 05/24/2019   04:50:48   ( -66.92, 150.64) 05/24/2019   04:51:54  ( -66.91, 150.60)    1.77                66
 05/24/2019   05:40:32   (  70.08, -37.87) 05/24/2019   05:40:22  (  70.09, -37.85)    0.76                10
 05/26/2019   21:07:16   ( -66.83, -93.57) 05/26/2019   21:08:22  ( -66.83, -93.60)    1.32                66
 05/26/2019   21:56:59   (  70.05,  77.96) 05/26/2019   21:56:49  (  70.05,  77.99)    1.04                10
 05/29/2019   13:23:44   ( -66.80,  22.28) 05/29/2019   13:24:50  ( -66.80,  22.25)    1.17                66
 05/29/2019   14:13:26   (  70.07,-166.13) 05/29/2019   14:13:16  (  70.07,-166.11)    0.97                10
 06/01/2019   05:40:10   ( -66.88, 138.25) 06/01/2019   05:41:16  ( -66.88, 138.22)    1.35                66
 06/01/2019   06:29:52   (  70.14, -50.14) 06/01/2019   06:29:42  (  70.14, -50.13)    0.57                10
 06/03/2019   21:56:35   ( -67.01,-105.72) 06/03/2019   21:57:41  ( -67.01,-105.76)    1.84                66
 06/03/2019   22:46:16   (  70.31,  66.01) 06/03/2019   22:46:06  (  70.31,  66.01)    0.18                10