Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 7 10.  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   16:24:33   (  76.40, -73.87) 07/22/2023   16:23:20  (  76.39, -74.70)   21.91                73
 07/22/2023   17:15:20   ( -76.50,  93.07) 07/22/2023   17:14:14  ( -76.51,  93.04)    0.98                66
 07/22/2023   18:06:06   (  76.52, -99.68) 07/22/2023   18:05:15  (  76.52, -99.68)    0.15                51
 07/22/2023   18:56:51   ( -76.53,  67.60) 07/22/2023   18:56:12  ( -76.51,  67.55)    2.63                39
 07/22/2023   19:47:38   (  76.54,-125.15) 07/22/2023   19:47:14  (  76.51,-125.18)    2.94                24
 07/22/2023   20:38:23   ( -76.55,  42.13) 07/22/2023   20:38:10  ( -76.55,  42.22)    2.46                13
 07/22/2023   21:29:10   (  76.56,-150.62) 07/22/2023   21:29:12  (  76.56,-150.50)    3.17                 2
 07/22/2023   22:19:54   ( -76.53,  16.82) 07/22/2023   22:20:09  ( -76.55,  16.73)    3.23                15
 07/22/2023   23:10:41   (  76.54,-175.92) 07/22/2023   23:11:11  (  76.56,-176.00)    2.38                30
 07/23/2023   00:01:26   ( -76.55,  -8.65) 07/23/2023   00:02:08  ( -76.55,  -8.77)    3.24                42
 07/23/2023   00:52:13   (  76.57, 158.60) 07/23/2023   00:53:10  (  76.55, 158.50)    3.10                57
 07/23/2023   01:42:58   ( -76.58, -34.12) 07/23/2023   01:44:06  ( -76.59, -34.09)    1.47                68
 07/23/2023   02:33:54   (  76.99, 131.54) 07/23/2023   02:35:00  (  76.94, 134.62)   77.60                66