Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 12 11.  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  ( -79.75, -11.11)    1.24                72
 12/19/2019   23:13:41   (  79.76, 156.12) 12/19/2019   23:12:48  (  79.76, 156.17)    0.91                53
 12/20/2019   00:04:25   ( -79.75, -36.52) 12/20/2019   00:03:44  ( -79.77, -36.41)    3.09                41
 12/20/2019   00:55:10   (  79.75, 130.78) 12/20/2019   00:54:48  (  79.78, 130.88)    3.16                22
 12/20/2019   01:45:54   ( -79.75, -61.86) 12/20/2019   01:45:45  ( -79.76, -61.99)    3.21                 9
 12/20/2019   02:36:40   (  79.78, 105.16) 12/20/2019   02:36:49  (  79.77, 105.29)    3.07                 9
 12/20/2019   03:27:24   ( -79.78, -87.48) 12/20/2019   03:27:46  ( -79.76, -87.58)    3.01                22
 12/20/2019   04:18:09   (  79.78,  79.82) 12/20/2019   04:18:50  (  79.76,  79.71)    2.84                41
 12/20/2019   05:08:53   ( -79.77,-112.82) 12/20/2019   05:09:46  ( -79.78,-112.87)    1.05                53
 12/20/2019   05:59:38   (  79.78,  54.48) 12/20/2019   06:00:50  (  79.78,  54.42)    1.24                72