Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 2 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)
 02/16/2023   21:46:47   ( -76.65,  22.59) 02/16/2023   21:45:36  ( -76.62,  20.97)   41.65                71
 02/16/2023   22:37:38   (  76.86,-170.96) 02/16/2023   22:36:34  (  76.86,-170.79)    4.11                64
 02/16/2023   23:28:23   ( -76.84,  -3.55) 02/16/2023   23:27:30  ( -76.85,  -3.55)    1.62                53
 02/17/2023   00:19:09   (  76.83, 163.77) 02/17/2023   00:18:34  (  76.84, 163.60)    4.31                35
 02/17/2023   01:09:55   ( -76.86, -29.00) 02/17/2023   01:09:29  ( -76.87, -28.97)    1.85                26
 02/17/2023   02:00:41   (  76.85, 138.33) 02/17/2023   02:00:33  (  76.85, 138.18)    3.60                 8
 02/17/2023   02:51:27   ( -76.87, -54.45) 02/17/2023   02:51:28  ( -76.89, -54.39)    2.27                 1
 02/17/2023   03:42:13   (  76.87, 112.88) 02/17/2023   03:42:32  (  76.87, 112.76)    2.90                19
 02/17/2023   04:32:59   ( -76.89, -79.90) 02/17/2023   04:33:27  ( -76.91, -79.81)    2.79                28
 02/17/2023   05:23:45   (  76.88,  87.43) 02/17/2023   05:24:31  (  76.89,  87.35)    2.20                46
 02/17/2023   06:14:31   ( -76.90,-105.35) 02/17/2023   06:15:27  ( -76.88,-105.42)    3.32                56
 02/17/2023   07:05:17   (  76.90,  61.98) 02/17/2023   07:06:30  (  76.91,  61.93)    1.52                73
 02/17/2023   07:56:11   ( -77.26,-132.27) 02/17/2023   07:57:18  ( -77.23,-129.34)   72.07                67