Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 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)
 05/18/2020   03:36:30   (  79.22,  94.91) 05/18/2020   03:35:24  (  79.23,  91.44)   72.16                66
 05/18/2020   04:27:20   ( -79.43, -99.41) 05/18/2020   04:26:13  ( -79.44, -99.37)    1.47                67
 05/18/2020   05:18:06   (  79.45,  67.70) 05/18/2020   05:17:18  (  79.43,  67.77)    2.79                48
 05/18/2020   06:08:50   ( -79.46,-125.03) 05/18/2020   06:08:14  ( -79.43,-124.98)    3.47                36
 05/18/2020   06:59:35   (  79.45,  42.35) 05/18/2020   06:59:18  (  79.45,  42.44)    1.80                17
 05/18/2020   07:50:19   ( -79.46,-150.38) 05/18/2020   07:50:14  ( -79.45,-150.30)    1.85                 5
 05/18/2020   08:41:04   (  79.45,  17.00) 05/18/2020   08:41:18  (  79.47,  17.11)    3.05                14
 05/18/2020   09:31:48   ( -79.45,-175.73) 05/18/2020   09:32:14  ( -79.47,-175.63)    2.37                26
 05/18/2020   10:22:33   (  79.45,  -8.35) 05/18/2020   10:23:19  (  79.46,  -8.50)    3.11                46
 05/18/2020   11:13:17   ( -79.45, 158.92) 05/18/2020   11:14:15  ( -79.45, 158.76)    3.14                58
 05/18/2020   12:04:06   (  79.58, -34.80) 05/18/2020   12:05:17  (  79.53, -33.25)   31.53                71