Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 1 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)
 01/16/2023   21:15:00   ( -76.93,  29.06) 01/16/2023   21:13:45  ( -76.93,  29.22)    3.93                75
 01/16/2023   22:05:46   (  76.93,-163.63) 01/16/2023   22:04:42  (  76.90,-163.63)    3.55                64
 01/16/2023   22:56:32   ( -76.94,   3.63) 01/16/2023   22:55:45  ( -76.91,   3.63)    4.25                47
 01/16/2023   23:47:18   (  76.95, 170.93) 01/16/2023   23:46:41  (  76.92, 170.96)    2.82                37
 01/17/2023   00:38:04   ( -76.96, -21.81) 01/17/2023   00:37:44  ( -76.93, -21.78)    3.53                20
 01/17/2023   01:28:50   (  76.96, 145.49) 01/17/2023   01:28:40  (  76.94, 145.56)    2.54                10
 01/17/2023   02:19:36   ( -76.97, -47.25) 01/17/2023   02:19:43  ( -76.95, -47.18)    3.09                 7
 01/17/2023   03:10:22   (  76.97, 120.05) 01/17/2023   03:10:39  (  76.96, 120.16)    2.85                17
 01/17/2023   04:01:08   ( -76.98, -72.68) 01/17/2023   04:01:42  ( -76.97, -72.58)    3.06                34
 01/17/2023   04:51:54   (  76.99,  94.62) 01/17/2023   04:52:38  (  76.99,  94.76)    3.60                44
 01/17/2023   05:42:40   ( -77.00, -98.12) 01/17/2023   05:43:41  ( -76.99, -97.99)    3.45                61
 01/17/2023   06:33:26   (  77.00,  69.18) 01/17/2023   06:34:38  (  76.97,  69.17)    3.83                72