Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 3.  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   ( -75.90, -46.93) 10/09/2023   02:47:11  ( -75.93, -50.06)   84.94                66
 10/09/2023   03:39:13   (  76.37, 118.73) 10/09/2023   03:38:00  (  76.34, 118.73)    2.97                73
 10/09/2023   04:29:58   ( -76.34, -73.86) 10/09/2023   04:29:00  ( -76.36, -73.95)    3.22                58
 10/09/2023   05:20:44   (  76.35,  93.40) 10/09/2023   05:19:58  (  76.37,  93.37)    2.54                46
 10/09/2023   06:11:30   ( -76.37, -99.35) 10/09/2023   06:10:58  ( -76.39, -99.31)    2.83                32
 10/09/2023   07:02:16   (  76.38,  67.91) 10/09/2023   07:01:57  (  76.37,  67.84)    2.68                19
 10/09/2023   07:53:02   ( -76.40,-124.85) 10/09/2023   07:52:57  ( -76.38,-124.84)    1.92                 5
 10/09/2023   08:43:48   (  76.41,  42.41) 10/09/2023   08:43:55  (  76.40,  42.48)    2.41                 7
 10/09/2023   09:34:33   ( -76.39,-150.17) 10/09/2023   09:34:55  ( -76.42,-150.20)    3.46                22
 10/09/2023   10:25:19   (  76.40,  17.09) 10/09/2023   10:25:54  (  76.39,  16.95)    3.72                35
 10/09/2023   11:16:04   ( -76.42,-175.67) 10/09/2023   11:16:53  ( -76.41,-175.74)    2.19                49
 10/09/2023   12:06:50   (  76.43,  -8.41) 10/09/2023   12:07:51  (  76.42,  -8.41)    0.73                61
 10/09/2023   12:57:37   ( -76.49, 158.67) 10/09/2023   12:58:51  ( -76.44, 158.90)    8.29                74