Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2019 9 13.  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)
 09/15/2019   10:30:59   ( -79.95, 165.12) 09/15/2019   10:29:53  ( -79.94, 165.25)    2.64                66
 09/15/2019   11:21:44   (  79.94, -27.47) 09/15/2019   11:20:56  (  79.95, -27.47)    0.62                48
 09/15/2019   12:12:28   ( -79.95, 139.79) 09/15/2019   12:11:54  ( -79.94, 139.68)    2.47                34
 09/15/2019   13:03:14   (  79.97, -53.09) 09/15/2019   13:02:57  (  79.94, -53.04)    3.06                17
 09/15/2019   13:53:57   ( -79.94, 114.46) 09/15/2019   13:53:54  ( -79.96, 114.41)    1.75                 3
 09/15/2019   14:44:43   (  79.96, -78.42) 09/15/2019   14:44:57  (  79.96, -78.31)    2.24                14
 09/15/2019   15:35:27   ( -79.97,  88.84) 09/15/2019   15:35:55  ( -79.95,  88.84)    1.97                28
 09/15/2019   16:26:12   (  79.96,-103.75) 09/15/2019   16:26:58  (  79.95,-103.89)    2.68                46
 09/15/2019   17:16:56   ( -79.96,  63.51) 09/15/2019   17:17:55  ( -79.97,  63.58)    1.41                59