Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 2 12.  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)
 02/12/2020   13:13:24   ( -79.66, 127.06) 02/12/2020   13:12:18  ( -79.63, 127.14)    3.36                66
 02/12/2020   14:04:08   (  79.63, -65.39) 02/12/2020   14:03:15  (  79.65, -65.44)    2.09                53
 02/12/2020   14:54:53   ( -79.66, 101.71) 02/12/2020   14:54:18  ( -79.65, 101.84)    2.53                35
 02/12/2020   15:45:38   (  79.66, -91.01) 02/12/2020   15:45:16  (  79.64, -91.03)    2.43                22
 02/12/2020   16:36:22   ( -79.65,  76.37) 02/12/2020   16:36:19  ( -79.64,  76.25)    2.72                 3
 02/12/2020   17:27:07   (  79.66,-116.35) 02/12/2020   17:27:16  (  79.66,-116.34)    0.33                 9
 02/12/2020   18:17:51   ( -79.65,  51.03) 02/12/2020   18:18:19  ( -79.66,  50.95)    2.10                28
 02/12/2020   19:08:36   (  79.65,-141.70) 02/12/2020   19:09:16  (  79.67,-141.64)    2.60                40
 02/12/2020   19:59:21   ( -79.68,  25.41) 02/12/2020   20:00:20  ( -79.65,  25.35)    2.99                59