Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 2.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 03/10/2020   20:38:33   (  79.57,-163.44) 03/10/2020   20:37:20  (  79.60,-163.37)    3.43                73
 03/10/2020   21:29:19   ( -79.60,   3.57) 03/10/2020   21:28:27  ( -79.57,   3.62)    3.39                52
 03/10/2020   22:20:03   (  79.60, 170.94) 03/10/2020   22:19:21  (  79.59, 171.03)    2.11                42
 03/10/2020   23:10:48   ( -79.60, -21.77) 03/10/2020   23:10:27  ( -79.59, -21.69)    1.86                21
 03/11/2020   00:01:32   (  79.59, 145.59) 03/11/2020   00:01:21  (  79.61, 145.72)    2.85                11
 03/11/2020   00:52:17   ( -79.60, -47.12) 03/11/2020   00:52:27  ( -79.61, -47.00)    2.79                10
 03/11/2020   01:43:01   (  79.59, 120.25) 03/11/2020   01:43:22  (  79.60, 120.12)    2.57                21
 03/11/2020   02:33:46   ( -79.59, -72.46) 03/11/2020   02:34:28  ( -79.60, -72.60)    2.83                42
 03/11/2020   03:24:30   (  79.59,  94.90) 03/11/2020   03:25:22  (  79.62,  94.82)    3.41                52
 03/11/2020   04:15:16   ( -79.62, -98.09) 03/11/2020   04:16:28  ( -79.62, -97.91)    3.58                72