Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 2 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)
 02/16/2023   21:46:47   ( -76.63,  22.68) 02/16/2023   21:45:36  ( -76.63,  21.00)   43.26                71
 02/16/2023   22:37:38   (  76.84,-170.87) 02/16/2023   22:36:35  (  76.82,-170.96)    3.02                63
 02/16/2023   23:28:24   ( -76.86,  -3.64) 02/16/2023   23:27:30  ( -76.86,  -3.53)    2.86                54
 02/17/2023   00:19:10   (  76.86, 163.68) 02/17/2023   00:18:34  (  76.84, 163.62)    2.45                36
 02/17/2023   01:09:56   ( -76.88, -29.09) 02/17/2023   01:09:29  ( -76.88, -28.95)    3.51                27
 02/17/2023   02:00:42   (  76.87, 138.23) 02/17/2023   02:00:33  (  76.86, 138.20)    1.97                 9
 02/17/2023   02:51:28   ( -76.89, -54.53) 02/17/2023   02:51:28  ( -76.89, -54.37)    4.17                 0
 02/17/2023   03:42:14   (  76.89, 112.79) 02/17/2023   03:42:32  (  76.87, 112.78)    1.66                18
 02/17/2023   04:32:59   ( -76.86, -79.80) 02/17/2023   04:33:28  ( -76.87, -79.97)    4.32                29
 02/17/2023   05:23:46   (  76.91,  87.34) 02/17/2023   05:24:31  (  76.89,  87.36)    1.63                45
 02/17/2023   06:14:31   ( -76.88,-105.25) 02/17/2023   06:15:27  ( -76.89,-105.39)    3.68                56
 02/17/2023   07:05:18   (  76.92,  61.89) 02/17/2023   07:06:30  (  76.91,  61.95)    1.91                72
 02/17/2023   07:56:11   ( -77.24,-132.16) 02/17/2023   07:57:19  ( -77.19,-129.50)   65.72                68