Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 6 9.  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   11:57:23   (  75.65,   9.28) 06/18/2025   11:56:17  (  75.62,   6.10)   87.87                66
 06/18/2025   12:48:18   ( -76.12, 174.97) 06/18/2025   12:47:10  ( -76.10, 175.01)    2.01                68
 06/18/2025   13:39:03   (  76.13, -17.75) 06/18/2025   13:38:03  (  76.09, -17.75)    3.90                60
 06/18/2025   14:29:47   ( -76.14, 149.52) 06/18/2025   14:29:05  ( -76.12, 149.60)    2.81                42
 06/18/2025   15:20:31   (  76.10, -43.03) 06/18/2025   15:19:58  (  76.11, -43.16)    3.52                33
 06/18/2025   16:11:16   ( -76.12, 124.24) 06/18/2025   16:11:01  ( -76.14, 124.19)    3.17                15
 06/18/2025   17:02:01   (  76.12, -68.48) 06/18/2025   17:01:54  (  76.13, -68.57)    2.49                 7
 06/18/2025   17:52:46   ( -76.14,  98.79) 06/18/2025   17:52:57  ( -76.16,  98.78)    2.72                11
 06/18/2025   18:43:31   (  76.15, -93.93) 06/18/2025   18:43:50  (  76.15, -93.98)    1.46                19
 06/18/2025   19:34:16   ( -76.16,  73.34) 06/18/2025   19:34:53  ( -76.18,  73.37)    2.58                37
 06/18/2025   20:25:01   (  76.17,-119.38) 06/18/2025   20:25:46  (  76.17,-119.39)    0.47                45
 06/18/2025   21:15:46   ( -76.18,  47.89) 06/18/2025   21:16:49  ( -76.20,  47.95)    2.82                63
 06/18/2025   22:06:31   (  76.19,-144.83) 06/18/2025   22:07:42  (  76.19,-144.80)    0.74                71