Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 4.  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   ( -75.91, -46.96) 10/09/2023   02:47:11  ( -75.93, -50.08)   84.31                66
 10/09/2023   03:39:12   (  76.33, 118.86) 10/09/2023   03:38:00  (  76.34, 118.72)    3.77                72
 10/09/2023   04:29:58   ( -76.35, -73.90) 10/09/2023   04:29:00  ( -76.36, -73.96)    1.88                58
 10/09/2023   05:20:44   (  76.36,  93.37) 10/09/2023   05:19:58  (  76.37,  93.36)    1.16                46
 10/09/2023   06:11:30   ( -76.38, -99.39) 10/09/2023   06:10:58  ( -76.39, -99.32)    2.09                32
 10/09/2023   07:02:16   (  76.39,  67.87) 10/09/2023   07:01:57  (  76.36,  67.83)    3.50                19
 10/09/2023   07:53:02   ( -76.41,-124.88) 10/09/2023   07:52:57  ( -76.38,-124.86)    3.46                 5
 10/09/2023   08:43:47   (  76.38,  42.54) 10/09/2023   08:43:55  (  76.40,  42.47)    2.81                 8
 10/09/2023   09:34:33   ( -76.40,-150.21) 10/09/2023   09:34:55  ( -76.41,-150.22)    1.88                22
 10/09/2023   10:25:19   (  76.41,  17.05) 10/09/2023   10:25:53  (  76.43,  17.11)    2.87                34
 10/09/2023   11:16:05   ( -76.43,-175.71) 10/09/2023   11:16:54  ( -76.40,-175.75)    2.92                49
 10/09/2023   12:06:50   (  76.44,  -8.45) 10/09/2023   12:07:51  (  76.42,  -8.42)    2.19                61
 10/09/2023   12:57:37   ( -76.50, 158.63) 10/09/2023   12:58:51  ( -76.44, 158.89)    9.87                74