Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 5 1.  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, 142.39) 05/04/2020   12:18:18  ( -79.48, 142.39)    3.25                69
 05/04/2020   13:10:13   (  79.47, -50.49) 05/04/2020   13:09:23  (  79.48, -50.34)    3.25                50
 05/04/2020   14:00:57   ( -79.48, 116.77) 05/04/2020   14:00:19  ( -79.46, 116.79)    1.37                38
 05/04/2020   14:51:42   (  79.47, -75.84) 05/04/2020   14:51:24  (  79.47, -75.94)    2.10                18
 05/04/2020   15:42:26   ( -79.47,  91.42) 05/04/2020   15:42:19  ( -79.48,  91.47)    1.28                 7
 05/04/2020   16:33:11   (  79.47,-101.19) 05/04/2020   16:33:24  (  79.49,-101.26)    2.87                13
 05/04/2020   17:23:55   ( -79.47,  66.07) 05/04/2020   17:24:19  ( -79.50,  66.14)    3.52                24
 05/04/2020   18:14:41   (  79.50,-126.81) 05/04/2020   18:15:25  (  79.48,-126.87)    2.41                44
 05/04/2020   19:05:25   ( -79.50,  40.45) 05/04/2020   19:06:20  ( -79.49,  40.54)    2.25                55
 05/04/2020   19:56:10   (  79.49,-152.16) 05/04/2020   19:57:25  (  79.49,-152.19)    0.55                75