Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 24.  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)
 07/04/2025   12:46:48   ( -76.04, 176.05) 07/04/2025   12:45:34  ( -76.06, 175.59)   12.55                74
 07/04/2025   13:37:35   (  76.14, -17.00) 07/04/2025   13:36:29  (  76.11, -16.97)    2.97                66
 07/04/2025   14:28:20   ( -76.15, 150.27) 07/04/2025   14:27:29  ( -76.13, 150.34)    2.96                51
 07/04/2025   15:19:04   (  76.11, -42.28) 07/04/2025   15:18:25  (  76.13, -42.39)    3.21                39
 07/04/2025   16:09:49   ( -76.13, 124.99) 07/04/2025   16:09:25  ( -76.14, 124.92)    2.73                24
 07/04/2025   17:00:34   (  76.14, -67.74) 07/04/2025   17:00:21  (  76.15, -67.80)    2.20                13
 07/04/2025   17:51:19   ( -76.15,  99.54) 07/04/2025   17:51:21  ( -76.16,  99.50)    1.86                 2
 07/04/2025   18:42:03   (  76.16, -93.19) 07/04/2025   18:42:16  (  76.17, -93.21)    1.24                13
 07/04/2025   19:32:48   ( -76.17,  74.08) 07/04/2025   19:33:16  ( -76.18,  74.09)    1.20                28
 07/04/2025   20:23:33   (  76.18,-118.64) 07/04/2025   20:24:12  (  76.19,-118.63)    0.66                39
 07/04/2025   21:14:18   ( -76.19,  48.63) 07/04/2025   21:15:12  ( -76.20,  48.67)    1.22                54
 07/04/2025   22:05:03   (  76.20,-144.09) 07/04/2025   22:06:08  (  76.20,-144.04)    1.26                65
 07/04/2025   22:55:53   ( -76.44,  22.35) 07/04/2025   22:57:04  ( -76.39,  23.92)   41.33                71