Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 7.  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)
 10/09/2023   02:48:17   ( -75.94, -47.04) 10/09/2023   02:47:10  ( -75.94, -50.01)   80.15                67
 10/09/2023   03:39:12   (  76.35, 118.78) 10/09/2023   03:37:59  (  76.36, 118.80)    0.85                73
 10/09/2023   04:29:58   ( -76.37, -73.99) 10/09/2023   04:28:59  ( -76.37, -73.89)    2.47                59
 10/09/2023   05:20:44   (  76.38,  93.29) 10/09/2023   05:19:58  (  76.35,  93.27)    3.79                46
 10/09/2023   06:11:29   ( -76.36, -99.31) 10/09/2023   06:10:58  ( -76.36, -99.43)    2.99                31
 10/09/2023   07:02:15   (  76.37,  67.96) 10/09/2023   07:01:56  (  76.38,  67.91)    2.09                19
 10/09/2023   07:53:01   ( -76.39,-124.81) 10/09/2023   07:52:56  ( -76.40,-124.79)    1.03                 5
 10/09/2023   08:43:47   (  76.40,  42.46) 10/09/2023   08:43:54  (  76.42,  42.55)    2.86                 7
 10/09/2023   09:34:33   ( -76.42,-150.30) 10/09/2023   09:34:55  ( -76.39,-150.32)    3.70                22
 10/09/2023   10:25:19   (  76.43,  16.97) 10/09/2023   10:25:53  (  76.41,  17.02)    2.86                34
 10/09/2023   11:16:04   ( -76.41,-175.63) 10/09/2023   11:16:53  ( -76.42,-175.68)    2.12                49
 10/09/2023   12:06:50   (  76.42,  -8.36) 10/09/2023   12:07:51  (  76.44,  -8.34)    2.73                61
 10/09/2023   12:57:37   ( -76.48, 158.71) 10/09/2023   12:58:51  ( -76.45, 158.95)    7.11                74