Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 2 4.  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)
 02/16/2023   21:46:48   ( -76.68,  22.46) 02/16/2023   21:45:36  ( -76.66,  21.14)   33.93                72
 02/16/2023   22:37:38   (  76.86,-170.94) 02/16/2023   22:36:35  (  76.85,-170.83)    2.96                63
 02/16/2023   23:28:23   ( -76.83,  -3.51) 02/16/2023   23:27:31  ( -76.85,  -3.56)    2.63                52
 02/17/2023   00:19:10   (  76.88, 163.61) 02/17/2023   00:18:34  (  76.87, 163.75)    3.63                36
 02/17/2023   01:09:55   ( -76.85, -28.96) 02/17/2023   01:09:30  ( -76.87, -28.98)    2.54                25
 02/17/2023   02:00:41   (  76.85, 138.34) 02/17/2023   02:00:33  (  76.89, 138.33)    4.32                 8
 02/17/2023   02:51:27   ( -76.86, -54.41) 02/17/2023   02:51:29  ( -76.89, -54.40)    2.66                 2
 02/17/2023   03:42:13   (  76.86, 112.90) 02/17/2023   03:42:33  (  76.86, 112.73)    4.07                20
 02/17/2023   04:32:59   ( -76.88, -79.85) 02/17/2023   04:33:28  ( -76.90, -79.82)    2.96                29
 02/17/2023   05:23:45   (  76.88,  87.45) 02/17/2023   05:24:32  (  76.88,  87.32)    3.30                47
 02/17/2023   06:14:31   ( -76.89,-105.30) 02/17/2023   06:15:27  ( -76.92,-105.24)    3.40                56
 02/17/2023   07:05:17   (  76.90,  62.00) 02/17/2023   07:06:31  (  76.90,  61.90)    2.53                74
 02/17/2023   07:56:12   ( -77.29,-132.41) 02/17/2023   07:57:18  ( -77.27,-129.14)   80.02                66