Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 2 9.  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   ( -76.60,  22.78) 02/16/2023   21:45:37  ( -76.61,  20.90)   48.33                70
 02/16/2023   22:37:39   (  76.86,-170.96) 02/16/2023   22:36:35  (  76.84,-170.88)    3.18                64
 02/16/2023   23:28:24   ( -76.84,  -3.54) 02/16/2023   23:27:31  ( -76.84,  -3.63)    2.20                53
 02/17/2023   00:19:10   (  76.83, 163.77) 02/17/2023   00:18:34  (  76.86, 163.70)    3.12                36
 02/17/2023   01:09:56   ( -76.85, -28.99) 02/17/2023   01:09:30  ( -76.85, -29.05)    1.56                26
 02/17/2023   02:00:41   (  76.85, 138.33) 02/17/2023   02:00:32  (  76.87, 138.28)    2.90                 9
 02/17/2023   02:51:27   ( -76.87, -54.43) 02/17/2023   02:51:28  ( -76.87, -54.47)    0.94                 1
 02/17/2023   03:42:13   (  76.87, 112.88) 02/17/2023   03:42:31  (  76.89, 112.86)    2.84                18
 02/17/2023   04:32:59   ( -76.88, -79.88) 02/17/2023   04:33:27  ( -76.89, -79.89)    0.45                28
 02/17/2023   05:23:45   (  76.88,  87.43) 02/17/2023   05:24:30  (  76.91,  87.44)    2.96                45
 02/17/2023   06:14:31   ( -76.90,-105.33) 02/17/2023   06:15:26  ( -76.90,-105.31)    0.66                55
 02/17/2023   07:05:17   (  76.90,  61.99) 02/17/2023   07:06:29  (  76.93,  62.02)    3.25                72
 02/17/2023   07:56:11   ( -77.26,-132.24) 02/17/2023   07:57:18  ( -77.21,-129.41)   69.78                67