Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 27.  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   (  79.92, 116.09) 09/29/2019   01:47:14  (  79.92, 116.19)    2.01                67
 09/29/2019   02:39:05   ( -79.91, -76.57) 09/29/2019   02:38:15  ( -79.92, -76.55)    0.92                50
 09/29/2019   03:29:50   (  79.91,  90.76) 09/29/2019   03:29:15  (  79.91,  90.61)    2.94                35
 09/29/2019   04:20:35   ( -79.94,-102.20) 09/29/2019   04:20:16  ( -79.92,-102.13)    2.99                19
 09/29/2019   05:11:19   (  79.91,  65.43) 09/29/2019   05:11:15  (  79.93,  65.34)    3.31                 4
 09/29/2019   06:02:04   ( -79.94,-127.53) 09/29/2019   06:02:16  ( -79.93,-127.39)    2.59                12
 09/29/2019   06:52:49   (  79.93,  39.81) 09/29/2019   06:53:16  (  79.93,  39.76)    1.18                27
 09/29/2019   07:43:33   ( -79.93,-152.86) 09/29/2019   07:44:17  ( -79.93,-152.97)    2.17                44
 09/29/2019   08:34:18   (  79.93,  14.47) 09/29/2019   08:35:16  (  79.94,  14.49)    1.71                58