Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 12 12.  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, -11.06) 12/19/2019   22:21:44  ( -79.76, -11.05)    1.85                72
 12/19/2019   23:13:41   (  79.74, 156.25) 12/19/2019   23:12:48  (  79.76, 156.24)    2.25                53
 12/20/2019   00:04:26   ( -79.77, -36.68) 12/20/2019   00:03:45  ( -79.75, -36.64)    2.29                41
 12/20/2019   00:55:11   (  79.77, 130.62) 12/20/2019   00:54:49  (  79.76, 130.65)    1.75                22
 12/20/2019   01:45:55   ( -79.77, -62.02) 12/20/2019   01:45:45  ( -79.77, -61.93)    1.92                10
 12/20/2019   02:36:40   (  79.77, 105.28) 12/20/2019   02:36:49  (  79.78, 105.36)    1.75                 9
 12/20/2019   03:27:24   ( -79.76, -87.36) 12/20/2019   03:27:46  ( -79.76, -87.52)    3.04                22
 12/20/2019   04:18:09   (  79.76,  79.94) 12/20/2019   04:18:50  (  79.77,  79.78)    3.34                41
 12/20/2019   05:08:53   ( -79.76,-112.70) 12/20/2019   05:09:46  ( -79.78,-112.81)    3.08                53
 12/20/2019   05:59:39   (  79.79,  54.32) 12/20/2019   06:00:50  (  79.79,  54.49)    3.43                71