Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 13.  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   (  75.64,   9.30) 06/18/2025   11:56:16  (  75.62,   6.12)   87.97                66
 06/18/2025   12:48:17   ( -76.11, 174.98) 06/18/2025   12:47:09  ( -76.10, 175.02)    1.46                68
 06/18/2025   13:39:02   (  76.12, -17.72) 06/18/2025   13:38:02  (  76.10, -17.73)    2.61                60
 06/18/2025   14:29:47   ( -76.14, 149.54) 06/18/2025   14:29:05  ( -76.12, 149.61)    2.35                42
 06/18/2025   15:20:32   (  76.14, -43.17) 06/18/2025   15:19:58  (  76.12, -43.14)    2.91                34
 06/18/2025   16:11:17   ( -76.16, 124.09) 06/18/2025   16:11:01  ( -76.14, 124.20)    3.30                16
 06/18/2025   17:02:01   (  76.12, -68.46) 06/18/2025   17:01:54  (  76.14, -68.55)    3.23                 7
 06/18/2025   17:52:46   ( -76.13,  98.80) 06/18/2025   17:52:57  ( -76.16,  98.79)    3.35                11
 06/18/2025   18:43:31   (  76.14, -93.91) 06/18/2025   18:43:50  (  76.16, -93.96)    2.35                19
 06/18/2025   19:34:16   ( -76.15,  73.35) 06/18/2025   19:34:53  ( -76.18,  73.37)    3.16                37
 06/18/2025   20:25:01   (  76.16,-119.36) 06/18/2025   20:25:46  (  76.17,-119.37)    1.68                45
 06/18/2025   21:15:46   ( -76.18,  47.90) 06/18/2025   21:16:49  ( -76.20,  47.96)    3.28                63
 06/18/2025   22:06:31   (  76.18,-144.81) 06/18/2025   22:07:42  (  76.19,-144.78)    1.52                71