Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 6.  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   (  79.58,-163.55) 03/10/2020   20:37:20  (  79.59,-163.44)    2.49                73
 03/10/2020   21:29:18   ( -79.59,   3.71) 03/10/2020   21:28:26  ( -79.59,   3.82)    2.39                52
 03/10/2020   22:20:02   (  79.58, 171.10) 03/10/2020   22:19:21  (  79.58, 170.97)    2.77                41
 03/10/2020   23:10:47   ( -79.58, -21.64) 03/10/2020   23:10:27  ( -79.58, -21.78)    2.77                20
 03/11/2020   00:01:31   (  79.58, 145.76) 03/11/2020   00:01:21  (  79.60, 145.66)    3.30                10
 03/11/2020   00:52:16   ( -79.58, -46.98) 03/11/2020   00:52:27  ( -79.60, -47.08)    3.07                11
 03/11/2020   01:43:01   (  79.61, 120.13) 03/11/2020   01:43:22  (  79.59, 120.06)    2.23                21
 03/11/2020   02:33:46   ( -79.61, -72.60) 03/11/2020   02:34:28  ( -79.59, -72.68)    2.54                42
 03/11/2020   03:24:30   (  79.60,  94.79) 03/11/2020   03:25:22  (  79.61,  94.75)    0.99                52
 03/11/2020   04:15:15   ( -79.61, -97.95) 03/11/2020   04:16:28  ( -79.61, -97.99)    0.91                73