Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 22.  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   ( -76.05, 175.99) 07/04/2025   12:45:34  ( -76.06, 175.59)   10.70                74
 07/04/2025   13:37:34   (  76.11, -16.90) 07/04/2025   13:36:29  (  76.11, -16.98)    2.09                65
 07/04/2025   14:28:19   ( -76.12, 150.38) 07/04/2025   14:27:29  ( -76.13, 150.34)    1.29                50
 07/04/2025   15:19:04   (  76.13, -42.35) 07/04/2025   15:18:25  (  76.13, -42.39)    1.16                39
 07/04/2025   16:09:49   ( -76.14, 124.93) 07/04/2025   16:09:25  ( -76.14, 124.92)    0.32                24
 07/04/2025   17:00:34   (  76.15, -67.80) 07/04/2025   17:00:21  (  76.15, -67.80)    0.72                13
 07/04/2025   17:51:19   ( -76.16,  99.47) 07/04/2025   17:51:21  ( -76.16,  99.50)    0.76                 2
 07/04/2025   18:42:04   (  76.18, -93.25) 07/04/2025   18:42:17  (  76.17, -93.22)    1.40                13
 07/04/2025   19:32:49   ( -76.19,  74.02) 07/04/2025   19:33:17  ( -76.18,  74.09)    1.78                28
 07/04/2025   20:23:34   (  76.20,-118.70) 07/04/2025   20:24:13  (  76.18,-118.63)    2.39                39
 07/04/2025   21:14:19   ( -76.21,  48.57) 07/04/2025   21:15:13  ( -76.20,  48.67)    2.81                54
 07/04/2025   22:05:04   (  76.22,-144.16) 07/04/2025   22:06:09  (  76.20,-144.05)    3.43                65
 07/04/2025   22:55:54   ( -76.45,  22.28) 07/04/2025   22:57:04  ( -76.44,  24.09)   47.11                70