Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 12 8.  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   ( -79.76, -11.18) 12/19/2019   22:21:44  ( -79.74, -11.23)    1.71                72
 12/19/2019   23:13:41   (  79.76, 156.11) 12/19/2019   23:12:48  (  79.75, 156.04)    1.88                53
 12/20/2019   00:04:25   ( -79.75, -36.52) 12/20/2019   00:03:44  ( -79.76, -36.52)    1.08                41
 12/20/2019   00:55:10   (  79.76, 130.78) 12/20/2019   00:54:48  (  79.77, 130.76)    1.28                22
 12/20/2019   01:45:55   ( -79.78, -62.14) 12/20/2019   01:45:45  ( -79.75, -62.11)    2.91                10
 12/20/2019   02:36:40   (  79.78, 105.15) 12/20/2019   02:36:49  (  79.76, 105.17)    2.70                 9
 12/20/2019   03:27:24   ( -79.78, -87.48) 12/20/2019   03:27:45  ( -79.77, -87.40)    1.61                21
 12/20/2019   04:18:09   (  79.78,  79.81) 12/20/2019   04:18:49  (  79.78,  79.88)    1.40                40
 12/20/2019   05:08:53   ( -79.77,-112.82) 12/20/2019   05:09:45  ( -79.79,-112.69)    3.22                52
 12/20/2019   05:59:38   (  79.78,  54.47) 12/20/2019   06:00:49  (  79.80,  54.60)    3.29                71