Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 12 14.  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)
 12/19/2019   22:22:56   ( -79.74, -11.07) 12/19/2019   22:21:44  ( -79.75, -11.15)    1.76                72
 12/19/2019   23:13:41   (  79.74, 156.24) 12/19/2019   23:12:48  (  79.76, 156.14)    2.40                53
 12/20/2019   00:04:25   ( -79.74, -36.41) 12/20/2019   00:03:44  ( -79.77, -36.44)    3.23                41
 12/20/2019   00:55:11   (  79.77, 130.62) 12/20/2019   00:54:49  (  79.75, 130.56)    2.88                22
 12/20/2019   01:45:55   ( -79.77, -62.03) 12/20/2019   01:45:45  ( -79.76, -62.03)    0.76                10
 12/20/2019   02:36:40   (  79.77, 105.28) 12/20/2019   02:36:49  (  79.77, 105.27)    0.29                 9
 12/20/2019   03:27:24   ( -79.76, -87.37) 12/20/2019   03:27:45  ( -79.78, -87.32)    1.91                21
 12/20/2019   04:18:09   (  79.76,  79.94) 12/20/2019   04:18:49  (  79.79,  79.98)    2.46                40
 12/20/2019   05:08:54   ( -79.79,-112.99) 12/20/2019   05:09:46  ( -79.77,-112.91)    2.76                52
 12/20/2019   05:59:39   (  79.79,  54.32) 12/20/2019   06:00:50  (  79.78,  54.39)    2.14                71