Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 4 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)
 05/04/2020   12:19:27   ( -79.45, 142.36) 05/04/2020   12:18:18  ( -79.48, 142.42)    3.31                69
 05/04/2020   13:10:12   (  79.45, -50.30) 05/04/2020   13:09:23  (  79.48, -50.35)    3.62                49
 05/04/2020   14:00:57   ( -79.48, 116.74) 05/04/2020   14:00:19  ( -79.47, 116.82)    2.29                38
 05/04/2020   14:51:42   (  79.48, -75.92) 05/04/2020   14:51:24  (  79.47, -75.95)    1.35                18
 05/04/2020   15:42:26   ( -79.48,  91.39) 05/04/2020   15:42:19  ( -79.49,  91.50)    2.37                 7
 05/04/2020   16:33:11   (  79.48,-101.27) 05/04/2020   16:33:24  (  79.49,-101.27)    1.16                13
 05/04/2020   17:23:55   ( -79.48,  66.03) 05/04/2020   17:24:20  ( -79.48,  65.89)    2.90                25
 05/04/2020   18:14:41   (  79.51,-126.89) 05/04/2020   18:15:25  (  79.48,-126.88)    3.43                44
 05/04/2020   19:05:24   ( -79.48,  40.68) 05/04/2020   19:06:20  ( -79.49,  40.57)    3.09                56
 05/04/2020   19:56:10   (  79.50,-152.24) 05/04/2020   19:57:25  (  79.49,-152.20)    1.43                75