Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 7 19.  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)
 07/22/2023   16:24:32   (  76.38, -73.78) 07/22/2023   16:23:20  (  76.36, -74.82)   27.27                72
 07/22/2023   17:15:19   ( -76.49,  93.12) 07/22/2023   17:14:13  ( -76.51,  93.07)    3.02                66
 07/22/2023   18:06:07   (  76.54, -99.76) 07/22/2023   18:05:15  (  76.53, -99.63)    3.64                52
 07/22/2023   18:56:51   ( -76.51,  67.65) 07/22/2023   18:56:12  ( -76.51,  67.57)    2.12                39
 07/22/2023   19:47:38   (  76.52,-125.06) 07/22/2023   19:47:14  (  76.53,-125.13)    1.89                24
 07/22/2023   20:38:23   ( -76.54,  42.18) 07/22/2023   20:38:10  ( -76.55,  42.25)    2.54                13
 07/22/2023   21:29:10   (  76.54,-150.54) 07/22/2023   21:29:13  (  76.53,-150.63)    2.97                 3
 07/22/2023   22:19:55   ( -76.56,  16.71) 07/22/2023   22:20:09  ( -76.55,  16.75)    1.47                14
 07/22/2023   23:10:42   (  76.57,-176.01) 07/22/2023   23:11:11  (  76.57,-175.95)    1.57                29
 07/23/2023   00:01:27   ( -76.59,  -8.77) 07/23/2023   00:02:08  ( -76.55,  -8.75)    3.74                41
 07/23/2023   00:52:14   (  76.59, 158.51) 07/23/2023   00:53:10  (  76.57, 158.55)    2.94                56
 07/23/2023   01:42:58   ( -76.57, -34.07) 07/23/2023   01:44:06  ( -76.59, -34.07)    3.19                68
 07/23/2023   02:33:54   (  76.97, 131.62) 07/23/2023   02:35:01  (  76.91, 134.49)   72.31                67