Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 9 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)
 09/18/2020   08:10:01   (  79.15,  27.36) 09/18/2020   08:08:46  (  79.13,  27.24)    2.96                75
 09/18/2020   09:00:45   ( -79.16,-165.37) 09/18/2020   08:59:41  ( -79.15,-165.35)    0.79                64
 09/18/2020   09:51:30   (  79.15,   2.00) 09/18/2020   09:50:46  (  79.15,   1.88)    2.52                44
 09/18/2020   10:42:14   ( -79.15, 169.27) 09/18/2020   10:41:41  ( -79.17, 169.29)    1.43                33
 09/18/2020   11:33:00   (  79.18, -23.61) 09/18/2020   11:32:46  (  79.17, -23.48)    3.24                14
 09/18/2020   12:23:43   ( -79.15, 143.91) 09/18/2020   12:23:41  ( -79.18, 143.93)    3.35                 2
 09/18/2020   13:14:29   (  79.18, -48.97) 09/18/2020   13:14:46  (  79.18, -48.84)    2.79                17
 09/18/2020   14:05:13   ( -79.19, 118.30) 09/18/2020   14:05:42  ( -79.17, 118.30)    2.03                29
 09/18/2020   14:55:58   (  79.18, -74.33) 09/18/2020   14:56:47  (  79.17, -74.47)    3.11                49
 09/18/2020   15:46:42   ( -79.18,  92.94) 09/18/2020   15:47:42  ( -79.18,  92.94)    0.12                60
 09/18/2020   16:37:35   (  79.45,-101.80) 09/18/2020   16:38:40  (  79.40, -97.91)   79.59                65