Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 7 21.  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, -73.79) 07/22/2023   16:23:20  (  76.35, -74.82)   27.29                72
 07/22/2023   17:15:19   ( -76.49,  93.11) 07/22/2023   17:14:13  ( -76.51,  93.05)    2.43                66
 07/22/2023   18:06:06   (  76.50, -99.60) 07/22/2023   18:05:15  (  76.53, -99.63)    3.65                51
 07/22/2023   18:56:51   ( -76.52,  67.64) 07/22/2023   18:56:12  ( -76.51,  67.56)    2.30                39
 07/22/2023   19:47:38   (  76.52,-125.07) 07/22/2023   19:47:14  (  76.53,-125.13)    1.73                24
 07/22/2023   20:38:23   ( -76.54,  42.17) 07/22/2023   20:38:10  ( -76.55,  42.23)    2.07                13
 07/22/2023   21:29:10   (  76.54,-150.54) 07/22/2023   21:29:13  (  76.52,-150.63)    3.16                 3
 07/22/2023   22:19:55   ( -76.56,  16.69) 07/22/2023   22:20:09  ( -76.55,  16.74)    2.02                14
 07/22/2023   23:10:42   (  76.57,-176.02) 07/22/2023   23:11:11  (  76.57,-175.96)    1.62                29
 07/23/2023   00:01:26   ( -76.54,  -8.61) 07/23/2023   00:02:08  ( -76.55,  -8.76)    3.90                42
 07/23/2023   00:52:14   (  76.59, 158.51) 07/23/2023   00:53:10  (  76.56, 158.54)    3.26                56
 07/23/2023   01:42:58   ( -76.57, -34.08) 07/23/2023   01:44:06  ( -76.59, -34.08)    2.45                68
 07/23/2023   02:33:54   (  76.97, 131.62) 07/23/2023   02:35:01  (  76.91, 134.48)   72.38                67