Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 6 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)
 06/12/2019   00:19:58   ( -80.11, -43.61) 06/12/2019   00:18:42  ( -80.12, -43.45)    3.13                76
 06/12/2019   01:10:43   (  80.12, 123.59) 06/12/2019   01:09:38  (  80.11, 123.67)    2.20                65
 06/12/2019   02:01:27   ( -80.10, -68.93) 06/12/2019   02:00:43  ( -80.11, -69.00)    1.56                44
 06/12/2019   02:52:12   (  80.12,  98.27) 06/12/2019   02:51:39  (  80.10,  98.12)    3.19                33
 06/12/2019   03:42:57   ( -80.13, -94.56) 06/12/2019   03:42:44  ( -80.11, -94.55)    2.14                13
 06/12/2019   04:33:41   (  80.11,  72.95) 06/12/2019   04:33:39  (  80.12,  72.89)    1.62                 2
 06/12/2019   05:24:26   ( -80.12,-119.88) 06/12/2019   05:24:44  ( -80.13,-119.78)    1.92                18
 06/12/2019   06:15:11   (  80.13,  47.32) 06/12/2019   06:15:40  (  80.12,  47.33)    1.91                29
 06/12/2019   07:05:55   ( -80.12,-145.20) 06/12/2019   07:06:45  ( -80.12,-145.33)    2.56                50
 06/12/2019   07:56:40   (  80.13,  22.00) 06/12/2019   07:57:40  (  80.14,  22.10)    2.09                60