Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 2 25.  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)
 02/26/2020   04:30:29   (  79.37,  80.13) 02/26/2020   04:29:25  (  79.39,  76.03)   84.07                64
 02/26/2020   05:21:21   ( -79.62,-114.57) 02/26/2020   05:20:23  ( -79.61,-114.57)    0.97                58
 02/26/2020   06:12:06   (  79.63,  52.60) 02/26/2020   06:11:18  (  79.61,  52.71)    3.49                48
 02/26/2020   07:02:50   ( -79.61,-139.92) 02/26/2020   07:02:23  ( -79.63,-139.87)    1.67                27
 02/26/2020   07:53:35   (  79.63,  27.26) 02/26/2020   07:53:18  (  79.63,  27.40)    2.98                17
 02/26/2020   08:44:20   ( -79.64,-165.54) 02/26/2020   08:44:24  ( -79.62,-165.47)    3.09                 4
 02/26/2020   09:35:04   (  79.63,   1.91) 02/26/2020   09:35:19  (  79.62,   1.81)    2.34                15
 02/26/2020   10:25:49   ( -79.64, 169.12) 02/26/2020   10:26:24  ( -79.64, 169.23)    2.21                35
 02/26/2020   11:16:33   (  79.62, -23.43) 02/26/2020   11:17:19  (  79.64, -23.50)    1.90                46
 02/26/2020   12:07:18   ( -79.64, 143.77) 02/26/2020   12:08:25  ( -79.63, 143.63)    3.02                67