Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 24.  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)
 09/29/2019   01:48:21   (  79.91, 116.10) 09/29/2019   01:47:14  (  79.92, 116.21)    2.20                67
 09/29/2019   02:39:05   ( -79.91, -76.55) 09/29/2019   02:38:15  ( -79.92, -76.52)    1.49                50
 09/29/2019   03:29:50   (  79.91,  90.77) 09/29/2019   03:29:15  (  79.92,  90.63)    2.90                35
 09/29/2019   04:20:35   ( -79.94,-102.18) 09/29/2019   04:20:16  ( -79.92,-102.10)    2.67                19
 09/29/2019   05:11:19   (  79.91,  65.44) 09/29/2019   05:11:15  (  79.93,  65.36)    3.53                 4
 09/29/2019   06:02:04   ( -79.93,-127.51) 09/29/2019   06:02:16  ( -79.94,-127.36)    2.85                12
 09/29/2019   06:52:49   (  79.93,  39.82) 09/29/2019   06:53:16  (  79.93,  39.78)    0.91                27
 09/29/2019   07:43:33   ( -79.93,-152.84) 09/29/2019   07:44:17  ( -79.93,-152.94)    1.91                44
 09/29/2019   08:34:18   (  79.93,  14.49) 09/29/2019   08:35:16  (  79.95,  14.51)    2.05                58