Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 11.  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)
 06/18/2025   11:57:22   (  75.62,   9.37) 06/18/2025   11:56:17  (  75.60,   6.05)   91.89                65
 06/18/2025   12:48:17   ( -76.09, 175.07) 06/18/2025   12:47:10  ( -76.09, 174.96)    2.90                67
 06/18/2025   13:39:02   (  76.10, -17.64) 06/18/2025   13:38:02  (  76.12, -17.64)    2.64                60
 06/18/2025   14:29:47   ( -76.11, 149.62) 06/18/2025   14:29:06  ( -76.11, 149.55)    1.99                41
 06/18/2025   15:20:32   (  76.12, -43.09) 06/18/2025   15:19:58  (  76.14, -43.05)    2.74                34
 06/18/2025   16:11:17   ( -76.13, 124.17) 06/18/2025   16:11:02  ( -76.13, 124.14)    1.19                15
 06/18/2025   17:02:02   (  76.14, -68.54) 06/18/2025   17:01:54  (  76.16, -68.46)    3.20                 8
 06/18/2025   17:52:47   ( -76.15,  98.72) 06/18/2025   17:52:58  ( -76.15,  98.72)    0.90                11
 06/18/2025   18:43:32   (  76.16, -93.99) 06/18/2025   18:43:51  (  76.14, -94.03)    3.05                19
 06/18/2025   19:34:17   ( -76.18,  73.27) 06/18/2025   19:34:54  ( -76.17,  73.31)    1.48                37
 06/18/2025   20:25:02   (  76.18,-119.44) 06/18/2025   20:25:47  (  76.16,-119.44)    3.04                45
 06/18/2025   21:15:47   ( -76.20,  47.82) 06/18/2025   21:16:50  ( -76.19,  47.90)    2.37                63
 06/18/2025   22:06:32   (  76.21,-144.89) 06/18/2025   22:07:43  (  76.18,-144.85)    3.38                71