Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 2 15.  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,  22.57) 02/16/2023   21:45:36  ( -76.64,  21.03)   39.57                71
 02/16/2023   22:37:37   (  76.82,-170.79) 02/16/2023   22:36:35  (  76.83,-170.91)    3.19                62
 02/16/2023   23:28:23   ( -76.85,  -3.58) 02/16/2023   23:27:31  ( -76.83,  -3.67)    3.24                52
 02/17/2023   00:19:09   (  76.84, 163.76) 02/17/2023   00:18:34  (  76.85, 163.67)    2.58                35
 02/17/2023   01:09:55   ( -76.86, -29.03) 02/17/2023   01:09:30  ( -76.84, -29.10)    2.70                25
 02/17/2023   02:00:41   (  76.86, 138.31) 02/17/2023   02:00:33  (  76.87, 138.25)    2.05                 8
 02/17/2023   02:51:27   ( -76.88, -54.48) 02/17/2023   02:51:29  ( -76.86, -54.52)    2.26                 2
 02/17/2023   03:42:13   (  76.87, 112.86) 02/17/2023   03:42:32  (  76.89, 112.83)    1.70                19
 02/17/2023   04:32:59   ( -76.90, -79.92) 02/17/2023   04:33:28  ( -76.88, -79.94)    1.98                29
 02/17/2023   05:23:44   (  76.89,  87.41) 02/17/2023   05:24:30  (  76.90,  87.41)    1.66                46
 02/17/2023   06:14:30   ( -76.91,-105.37) 02/17/2023   06:15:26  ( -76.89,-105.36)    1.95                56
 02/17/2023   07:05:16   (  76.91,  61.96) 02/17/2023   07:06:29  (  76.92,  62.00)    1.96                73
 02/17/2023   07:56:10   ( -77.27,-132.30) 02/17/2023   07:57:17  ( -77.24,-129.27)   74.32                67