Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 2 14.  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   ( -76.66,  22.53) 02/16/2023   21:45:36  ( -76.62,  20.97)   40.39                71
 02/16/2023   22:37:37   (  76.83,-170.83) 02/16/2023   22:36:34  (  76.86,-170.79)    3.30                63
 02/16/2023   23:28:23   ( -76.85,  -3.62) 02/16/2023   23:27:30  ( -76.85,  -3.56)    1.52                53
 02/17/2023   00:19:09   (  76.85, 163.72) 02/17/2023   00:18:34  (  76.84, 163.60)    3.21                35
 02/17/2023   01:09:55   ( -76.87, -29.06) 02/17/2023   01:09:29  ( -76.87, -28.98)    2.21                26
 02/17/2023   02:00:41   (  76.87, 138.27) 02/17/2023   02:00:33  (  76.85, 138.18)    2.52                 8
 02/17/2023   02:51:27   ( -76.89, -54.51) 02/17/2023   02:51:28  ( -76.89, -54.40)    2.91                 1
 02/17/2023   03:42:13   (  76.88, 112.82) 02/17/2023   03:42:32  (  76.87, 112.77)    1.87                19
 02/17/2023   04:32:59   ( -76.90, -79.96) 02/17/2023   04:33:27  ( -76.90, -79.82)    3.61                28
 02/17/2023   05:23:45   (  76.90,  87.37) 02/17/2023   05:24:31  (  76.89,  87.35)    1.33                46
 02/17/2023   06:14:31   ( -76.92,-105.41) 02/17/2023   06:15:26  ( -76.92,-105.24)    4.32                55
 02/17/2023   07:05:17   (  76.92,  61.92) 02/17/2023   07:06:30  (  76.91,  61.93)    1.09                73
 02/17/2023   07:56:11   ( -77.28,-132.34) 02/17/2023   07:57:18  ( -77.23,-129.34)   73.75                67