Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 21.  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, 116.13) 09/29/2019   01:47:14  (  79.92, 116.18)    1.29                67
 09/29/2019   02:39:05   ( -79.91, -76.51) 09/29/2019   02:38:15  ( -79.92, -76.53)    1.88                50
 09/29/2019   03:29:51   (  79.94,  90.51) 09/29/2019   03:29:15  (  79.91,  90.60)    3.11                36
 09/29/2019   04:20:35   ( -79.93,-102.13) 09/29/2019   04:20:16  ( -79.92,-102.11)    1.75                19
 09/29/2019   05:11:20   (  79.93,  65.18) 09/29/2019   05:11:15  (  79.93,  65.33)    2.85                 5
 09/29/2019   06:02:04   ( -79.93,-127.46) 09/29/2019   06:02:16  ( -79.94,-127.38)    1.83                12
 09/29/2019   06:52:49   (  79.93,  39.85) 09/29/2019   06:53:16  (  79.93,  39.74)    2.05                27
 09/29/2019   07:43:33   ( -79.92,-152.79) 09/29/2019   07:44:17  ( -79.93,-152.95)    3.17                44
 09/29/2019   08:34:18   (  79.93,  14.52) 09/29/2019   08:35:16  (  79.94,  14.47)    2.28                58