Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 20.  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)
 07/25/2020   13:06:28   ( -79.06, 133.69) 07/25/2020   13:05:22  ( -79.05, 130.21)   73.59                66
 07/25/2020   13:57:19   (  79.29, -60.70) 07/25/2020   13:56:10  (  79.28, -60.56)    3.11                69
 07/25/2020   14:48:03   ( -79.27, 106.80) 07/25/2020   14:47:15  ( -79.29, 106.73)    2.68                48
 07/25/2020   15:38:48   (  79.29, -86.05) 07/25/2020   15:38:10  (  79.30, -85.90)    3.19                38
 07/25/2020   16:29:33   ( -79.30,  81.19) 07/25/2020   16:29:16  ( -79.28,  81.10)    3.38                17
 07/25/2020   17:20:17   (  79.29,-111.41) 07/25/2020   17:20:11  (  79.29,-111.52)    2.42                 6
 07/25/2020   18:11:02   ( -79.30,  55.83) 07/25/2020   18:11:16  ( -79.29,  55.75)    1.78                14
 07/25/2020   19:01:46   (  79.29,-136.77) 07/25/2020   19:02:11  (  79.30,-136.87)    2.76                25
 07/25/2020   19:52:31   ( -79.30,  30.47) 07/25/2020   19:53:16  ( -79.31,  30.40)    1.83                45
 07/25/2020   20:43:16   (  79.32,-162.38) 07/25/2020   20:44:11  (  79.32,-162.22)    3.45                55
 07/25/2020   21:34:02   ( -79.36,   4.59) 07/25/2020   21:35:16  ( -79.33,   5.06)   10.50                74