Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 8.  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,-163.45) 03/10/2020   20:37:21  (  79.57,-163.61)    3.11                72
 03/10/2020   21:29:18   ( -79.58,   3.79) 03/10/2020   21:28:27  ( -79.58,   3.64)    3.07                51
 03/10/2020   22:20:03   (  79.60, 170.92) 03/10/2020   22:19:21  (  79.59, 171.08)    3.35                42
 03/10/2020   23:10:47   ( -79.58, -21.56) 03/10/2020   23:10:27  ( -79.59, -21.67)    3.12                20
 03/11/2020   00:01:32   (  79.60, 145.58) 03/11/2020   00:01:22  (  79.58, 145.49)    2.36                10
 03/11/2020   00:52:17   ( -79.60, -47.18) 03/11/2020   00:52:28  ( -79.58, -47.27)    2.88                11
 03/11/2020   01:43:01   (  79.59, 120.23) 03/11/2020   01:43:22  (  79.60, 120.18)    1.33                21
 03/11/2020   02:33:46   ( -79.60, -72.52) 03/11/2020   02:34:28  ( -79.60, -72.58)    1.13                42
 03/11/2020   03:24:30   (  79.59,  94.88) 03/11/2020   03:25:22  (  79.62,  94.87)    3.21                52
 03/11/2020   04:15:15   ( -79.60, -97.87) 03/11/2020   04:16:28  ( -79.62, -97.89)    2.53                73