Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 11.  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)
 09/23/2023   10:19:47   (  76.10,  19.31) 09/23/2023   10:18:38  (  76.07,  17.14)   58.19                69
 09/23/2023   11:10:39   ( -76.38,-174.41) 09/23/2023   11:09:35  ( -76.39,-174.41)    0.81                64
 09/23/2023   12:01:25   (  76.40,  -7.16) 09/23/2023   12:00:30  (  76.37,  -7.22)    3.39                55
 09/23/2023   12:52:11   ( -76.41, 160.10) 09/23/2023   12:51:34  ( -76.38, 160.06)    3.39                37
 09/23/2023   13:42:57   (  76.43, -32.64) 09/23/2023   13:42:28  (  76.41, -32.57)    2.93                29
 09/23/2023   14:33:42   ( -76.39, 134.78) 09/23/2023   14:33:32  ( -76.42, 134.71)    3.15                10
 09/23/2023   15:24:28   (  76.41, -57.96) 09/23/2023   15:24:27  (  76.40, -58.09)    3.55                 1
 09/23/2023   16:15:14   ( -76.42, 109.30) 09/23/2023   16:15:31  ( -76.41, 109.18)    3.29                17
 09/23/2023   17:06:00   (  76.44, -83.45) 09/23/2023   17:06:25  (  76.43, -83.44)    0.46                25
 09/23/2023   17:56:46   ( -76.45,  83.81) 09/23/2023   17:57:29  ( -76.44,  83.83)    0.95                43
 09/23/2023   18:47:32   (  76.47,-108.94) 09/23/2023   18:48:23  (  76.47,-108.79)    3.83                51
 09/23/2023   19:38:18   ( -76.48,  58.32) 09/23/2023   19:39:27  ( -76.48,  58.48)    4.09                69
 09/23/2023   20:29:07   (  76.63,-134.94) 09/23/2023   20:30:19  (  76.59,-133.79)   29.82                72