Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 17.  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,  94.92) 05/18/2020   03:35:24  (  79.24,  91.47)   71.91                66
 05/18/2020   04:27:20   ( -79.43, -99.44) 05/18/2020   04:26:13  ( -79.44, -99.40)    1.23                67
 05/18/2020   05:18:06   (  79.45,  67.72) 05/18/2020   05:17:18  (  79.43,  67.80)    2.33                48
 05/18/2020   06:08:49   ( -79.43,-124.79) 05/18/2020   06:08:13  ( -79.46,-124.72)    3.38                36
 05/18/2020   06:59:35   (  79.45,  42.37) 05/18/2020   06:59:18  (  79.45,  42.47)    2.13                17
 05/18/2020   07:50:19   ( -79.46,-150.41) 05/18/2020   07:50:14  ( -79.45,-150.33)    2.42                 5
 05/18/2020   08:41:04   (  79.45,  17.01) 05/18/2020   08:41:19  (  79.44,  16.86)    3.20                15
 05/18/2020   09:31:48   ( -79.46,-175.77) 05/18/2020   09:32:14  ( -79.46,-175.65)    2.44                26
 05/18/2020   10:22:33   (  79.44,  -8.34) 05/18/2020   10:23:19  (  79.46,  -8.47)    3.17                46
 05/18/2020   11:13:17   ( -79.46, 158.88) 05/18/2020   11:14:15  ( -79.45, 158.74)    2.83                58
 05/18/2020   12:04:06   (  79.57, -34.78) 05/18/2020   12:05:17  (  79.53, -33.22)   31.73                71