Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 17.  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, 116.11) 09/29/2019   01:47:14  (  79.93, 116.26)    3.27                67
 09/29/2019   02:39:05   ( -79.91, -76.52) 09/29/2019   02:38:15  ( -79.93, -76.43)    3.08                50
 09/29/2019   03:29:50   (  79.91,  90.78) 09/29/2019   03:29:15  (  79.92,  90.68)    2.27                35
 09/29/2019   04:20:35   ( -79.93,-102.14) 09/29/2019   04:20:16  ( -79.93,-102.00)    2.77                19
 09/29/2019   05:11:20   (  79.94,  65.16) 09/29/2019   05:11:16  (  79.92,  65.10)    2.57                 4
 09/29/2019   06:02:04   ( -79.93,-127.47) 09/29/2019   06:02:17  ( -79.92,-127.58)    2.35                13
 09/29/2019   06:52:49   (  79.93,  39.83) 09/29/2019   06:53:16  (  79.93,  39.83)    0.20                27
 09/29/2019   07:43:33   ( -79.93,-152.80) 09/29/2019   07:44:17  ( -79.94,-152.84)    1.68                44
 09/29/2019   08:34:18   (  79.93,  14.49) 09/29/2019   08:35:16  (  79.95,  14.56)    2.93                58