Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2020 7 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)
 07/11/2020   20:58:45   ( -79.32,  13.71) 07/11/2020   20:57:33  ( -79.31,  13.73)    1.83                72
 07/11/2020   21:49:29   (  79.31,-178.87) 07/11/2020   21:48:27  (  79.32,-178.88)    1.12                62
 07/11/2020   22:40:14   ( -79.32, -11.65) 07/11/2020   22:39:33  ( -79.32, -11.61)    0.86                41
 07/11/2020   23:30:58   (  79.31, 155.77) 07/11/2020   23:30:27  (  79.33, 155.78)    3.23                31
 07/12/2020   00:21:43   ( -79.32, -37.00) 07/12/2020   00:21:33  ( -79.34, -36.95)    2.68                10
 07/12/2020   01:12:28   (  79.34, 130.15) 07/12/2020   01:12:28  (  79.32, 130.16)    1.79                 0
 07/12/2020   02:03:13   ( -79.35, -62.62) 07/12/2020   02:03:34  ( -79.33, -62.57)    2.67                21
 07/12/2020   02:53:57   (  79.34, 104.80) 07/12/2020   02:54:28  (  79.34, 104.82)    0.49                31
 07/12/2020   03:44:42   ( -79.35, -87.97) 07/12/2020   03:45:34  ( -79.34, -87.92)    1.26                52
 07/12/2020   04:35:26   (  79.33,  79.44) 07/12/2020   04:36:28  (  79.36,  79.47)    2.50                62
 07/25/2020   13:06:28   ( -79.02, 134.02) 07/25/2020   13:05:24  ( -79.01, 129.85)   88.29                64
 07/25/2020   13:57:20   (  79.29, -60.66) 07/25/2020   13:56:11  (  79.27, -60.69)    2.42                69
 07/25/2020   14:48:05   ( -79.29, 106.62) 07/25/2020   14:47:16  ( -79.28, 106.63)    1.61                49
 07/25/2020   15:38:49   (  79.29, -86.02) 07/25/2020   15:38:11  (  79.29, -86.04)    0.52                38
 07/25/2020   16:29:34   ( -79.29,  81.26) 07/25/2020   16:29:16  ( -79.30,  81.28)    0.54                18
 07/25/2020   17:20:18   (  79.29,-111.37) 07/25/2020   17:20:11  (  79.30,-111.39)    1.91                 7
 07/25/2020   18:11:03   ( -79.29,  55.91) 07/25/2020   18:11:16  ( -79.31,  55.93)    2.56                13