Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 6 4.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 06/06/2019   23:20:09   (  70.50,-173.18) 06/06/2019   23:20:42  (  70.50,-173.22)    1.88                33
 06/07/2019   00:10:50   ( -70.38,  -5.67) 06/07/2019   00:10:12  ( -70.39,  -5.75)    3.12                38
 06/09/2019   15:36:36   (  70.49, -57.28) 06/09/2019   15:37:12  (  70.51, -57.32)    2.41                36
 06/09/2019   16:27:18   ( -70.42, 110.16) 06/09/2019   16:26:42  ( -70.41, 110.16)    1.27                36
 06/12/2019   07:53:04   (  70.54,  58.53) 06/12/2019   07:53:42  (  70.53,  58.58)    2.40                38
 06/12/2019   08:43:45   ( -70.40,-133.94) 06/12/2019   08:43:12  ( -70.42,-133.94)    2.10                33
 06/15/2019   00:09:30   (  70.53, 174.42) 06/15/2019   00:10:11  (  70.54, 174.48)    2.02                41
 06/15/2019   01:00:12   ( -70.44, -18.12) 06/15/2019   00:59:41  ( -70.44, -18.04)    2.97                31
 06/17/2019   16:25:57   (  70.53, -69.68) 06/17/2019   16:26:41  (  70.55, -69.63)    2.98                44
 06/17/2019   17:16:39   ( -70.43,  97.79) 06/17/2019   17:16:11  ( -70.45,  97.86)    3.15                28