Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 22.  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)
 07/25/2020   13:06:28   ( -79.05, 133.81) 07/25/2020   13:05:22  ( -79.07, 130.29)   74.36                66
 07/25/2020   13:57:19   (  79.28, -60.56) 07/25/2020   13:56:10  (  79.29, -60.46)    2.92                69
 07/25/2020   14:48:04   ( -79.29, 106.67) 07/25/2020   14:47:16  ( -79.27, 106.54)    3.30                48
 07/25/2020   15:38:48   (  79.27, -85.91) 07/25/2020   15:38:11  (  79.28, -86.08)    3.49                37
 07/25/2020   16:29:33   ( -79.29,  81.31) 07/25/2020   16:29:16  ( -79.29,  81.19)    2.46                17
 07/25/2020   17:20:18   (  79.31,-111.53) 07/25/2020   17:20:11  (  79.30,-111.42)    2.39                 7
 07/25/2020   18:11:02   ( -79.28,  55.96) 07/25/2020   18:11:16  ( -79.30,  55.84)    3.13                14
 07/25/2020   19:01:47   (  79.30,-136.89) 07/25/2020   19:02:11  (  79.32,-136.77)    2.66                24
 07/25/2020   19:52:32   ( -79.32,  30.34) 07/25/2020   19:53:16  ( -79.32,  30.49)    3.21                44
 07/25/2020   20:43:16   (  79.30,-162.24) 07/25/2020   20:44:12  (  79.30,-162.39)    3.08                56
 07/25/2020   21:34:02   ( -79.35,   4.72) 07/25/2020   21:35:17  ( -79.31,   4.87)    5.63                75