Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 12.  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,  91.43)   72.47                66
 05/18/2020   04:27:20   ( -79.43, -99.42) 05/18/2020   04:26:13  ( -79.44, -99.41)    0.93                67
 05/18/2020   05:18:06   (  79.45,  67.71) 05/18/2020   05:17:18  (  79.43,  67.76)    2.61                48
 05/18/2020   06:08:49   ( -79.43,-124.77) 05/18/2020   06:08:13  ( -79.46,-124.73)    3.27                36
 05/18/2020   06:59:35   (  79.45,  42.36) 05/18/2020   06:59:18  (  79.45,  42.43)    1.49                17
 05/18/2020   07:50:19   ( -79.46,-150.39) 05/18/2020   07:50:14  ( -79.44,-150.34)    1.81                 5
 05/18/2020   08:41:04   (  79.45,  17.01) 05/18/2020   08:41:18  (  79.47,  17.10)    2.88                14
 05/18/2020   09:31:48   ( -79.46,-175.74) 05/18/2020   09:32:14  ( -79.46,-175.66)    1.81                26
 05/18/2020   10:22:33   (  79.45,  -8.35) 05/18/2020   10:23:19  (  79.45,  -8.51)    3.42                46
 05/18/2020   11:13:17   ( -79.45, 158.91) 05/18/2020   11:14:15  ( -79.45, 158.73)    3.56                58
 05/18/2020   12:04:06   (  79.57, -34.79) 05/18/2020   12:05:17  (  79.53, -33.26)   31.22                71