Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 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)
 07/04/2025   12:46:48   ( -76.06, 175.96) 07/04/2025   12:45:34  ( -76.06, 175.57)   10.46                74
 07/04/2025   13:37:34   (  76.12, -16.93) 07/04/2025   13:36:29  (  76.10, -17.00)    2.51                65
 07/04/2025   14:28:19   ( -76.13, 150.35) 07/04/2025   14:27:29  ( -76.12, 150.32)    1.13                50
 07/04/2025   15:19:04   (  76.14, -42.38) 07/04/2025   15:18:25  (  76.12, -42.41)    2.24                39
 07/04/2025   16:09:49   ( -76.15, 124.90) 07/04/2025   16:09:25  ( -76.14, 124.90)    1.14                24
 07/04/2025   17:00:34   (  76.16, -67.83) 07/04/2025   17:00:21  (  76.14, -67.83)    2.44                13
 07/04/2025   17:51:19   ( -76.17,  99.45) 07/04/2025   17:51:21  ( -76.16,  99.48)    1.84                 2
 07/04/2025   18:42:04   (  76.18, -93.28) 07/04/2025   18:42:17  (  76.16, -93.24)    3.03                13
 07/04/2025   19:32:49   ( -76.19,  74.00) 07/04/2025   19:33:17  ( -76.18,  74.07)    2.75                28
 07/04/2025   20:23:33   (  76.16,-118.57) 07/04/2025   20:24:13  (  76.18,-118.66)    2.87                40
 07/04/2025   21:14:18   ( -76.17,  48.71) 07/04/2025   21:15:13  ( -76.19,  48.65)    2.93                55
 07/04/2025   22:05:03   (  76.18,-144.03) 07/04/2025   22:06:09  (  76.20,-144.07)    1.87                66
 07/04/2025   22:55:54   ( -76.46,  22.25) 07/04/2025   22:57:04  ( -76.43,  24.07)   47.37                70