Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 4.  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)
 05/04/2020   12:19:27   ( -79.45, 142.40) 05/04/2020   12:18:18  ( -79.48, 142.39)    3.30                69
 05/04/2020   13:10:13   (  79.47, -50.46) 05/04/2020   13:09:23  (  79.48, -50.32)    3.21                50
 05/04/2020   14:00:57   ( -79.48, 116.78) 05/04/2020   14:00:19  ( -79.46, 116.78)    1.30                38
 05/04/2020   14:51:42   (  79.46, -75.81) 05/04/2020   14:51:24  (  79.47, -75.93)    2.47                18
 05/04/2020   15:42:26   ( -79.47,  91.43) 05/04/2020   15:42:19  ( -79.48,  91.46)    1.14                 7
 05/04/2020   16:33:11   (  79.46,-101.16) 05/04/2020   16:33:24  (  79.49,-101.25)    3.47                13
 05/04/2020   17:23:55   ( -79.47,  66.08) 05/04/2020   17:24:19  ( -79.50,  66.14)    3.44                24
 05/04/2020   18:14:41   (  79.49,-126.78) 05/04/2020   18:15:25  (  79.48,-126.85)    2.16                44
 05/04/2020   19:05:25   ( -79.50,  40.46) 05/04/2020   19:06:20  ( -79.49,  40.53)    1.96                55
 05/04/2020   19:56:10   (  79.49,-152.13) 05/04/2020   19:57:25  (  79.50,-152.17)    1.08                75
 05/18/2020   03:36:29   (  79.19,  95.09) 05/18/2020   03:35:24  (  79.22,  91.28)   79.34                65
 05/18/2020   04:27:20   ( -79.44, -99.47) 05/18/2020   04:26:13  ( -79.43, -99.52)    1.62                67