Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 28.  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, 116.11) 09/29/2019   01:47:14  (  79.92, 116.22)    2.35                67
 09/29/2019   02:39:05   ( -79.91, -76.56) 09/29/2019   02:38:15  ( -79.92, -76.53)    1.26                50
 09/29/2019   03:29:50   (  79.91,  90.78) 09/29/2019   03:29:15  (  79.92,  90.64)    2.81                35
 09/29/2019   04:20:35   ( -79.94,-102.19) 09/29/2019   04:20:16  ( -79.92,-102.11)    2.85                19
 09/29/2019   05:11:20   (  79.94,  65.15) 09/29/2019   05:11:16  (  79.91,  65.06)    3.40                 4
 09/29/2019   06:02:04   ( -79.93,-127.52) 09/29/2019   06:02:16  ( -79.94,-127.37)    2.79                12
 09/29/2019   06:52:49   (  79.93,  39.82) 09/29/2019   06:53:16  (  79.93,  39.79)    0.78                27
 09/29/2019   07:43:33   ( -79.93,-152.85) 09/29/2019   07:44:17  ( -79.93,-152.95)    1.95                44
 09/29/2019   08:34:18   (  79.93,  14.49) 09/29/2019   08:35:16  (  79.95,  14.52)    2.14                58