Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2025 5 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)
 05/17/2025   12:00:12   (  75.84,   7.11) 05/17/2025   11:59:02  (  75.81,   5.40)   46.90                70
 05/17/2025   12:51:01   ( -76.07, 173.62) 05/17/2025   12:49:58  ( -76.08, 173.59)    1.17                63
 05/17/2025   13:41:47   (  76.09, -19.13) 05/17/2025   13:40:52  (  76.10, -19.05)    2.48                55
 05/17/2025   14:32:31   ( -76.09, 148.18) 05/17/2025   14:31:54  ( -76.10, 148.19)    1.09                37
 05/17/2025   15:23:17   (  76.11, -44.57) 05/17/2025   15:22:49  (  76.08, -44.62)    3.53                28
 05/17/2025   16:14:00   ( -76.11, 122.74) 05/17/2025   16:13:49  ( -76.12, 122.79)    1.94                11
 05/17/2025   17:04:46   (  76.13, -70.01) 05/17/2025   17:04:44  (  76.10, -70.02)    3.06                 2
 05/17/2025   17:55:30   ( -76.13,  97.30) 05/17/2025   17:55:45  ( -76.15,  97.39)    3.02                15
 05/17/2025   18:46:16   (  76.15, -95.46) 05/17/2025   18:46:40  (  76.12, -95.42)    2.97                24
 05/17/2025   19:37:00   ( -76.15,  71.85) 05/17/2025   19:37:42  ( -76.12,  71.83)    2.93                42
 05/17/2025   20:27:46   (  76.17,-120.90) 05/17/2025   20:28:36  (  76.14,-120.82)    3.30                50
 05/17/2025   21:18:30   ( -76.17,  46.41) 05/17/2025   21:19:38  ( -76.15,  46.43)    2.53                68
 05/17/2025   22:09:18   (  76.28,-146.68) 05/17/2025   22:10:31  (  76.21,-146.06)   17.86                73