Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 3 7.  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   (  79.59,-163.62) 03/10/2020   20:37:20  (  79.58,-163.52)    2.10                73
 03/10/2020   21:29:18   ( -79.60,   3.64) 03/10/2020   21:28:26  ( -79.59,   3.74)    2.25                52
 03/10/2020   22:20:02   (  79.59, 171.04) 03/10/2020   22:19:20  (  79.60, 171.17)    3.13                42
 03/10/2020   23:10:47   ( -79.59, -21.71) 03/10/2020   23:10:26  ( -79.60, -21.57)    2.89                21
 03/11/2020   00:01:31   (  79.58, 145.69) 03/11/2020   00:01:21  (  79.59, 145.57)    2.51                10
 03/11/2020   00:52:16   ( -79.59, -47.05) 03/11/2020   00:52:27  ( -79.59, -47.17)    2.48                11
 03/11/2020   01:43:00   (  79.58, 120.34) 03/11/2020   01:43:21  (  79.61, 120.27)    3.61                21
 03/11/2020   02:33:45   ( -79.59, -72.40) 03/11/2020   02:34:27  ( -79.61, -72.48)    3.31                42
 03/11/2020   03:24:30   (  79.61,  94.72) 03/11/2020   03:25:22  (  79.60,  94.67)    1.51                52
 03/11/2020   04:15:15   ( -79.62, -98.02) 03/11/2020   04:16:28  ( -79.60, -98.08)    1.90                73