Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 16.  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   (  76.09,  19.33) 09/23/2023   10:18:38  (  76.10,  17.24)   55.89                69
 09/23/2023   11:10:39   ( -76.38,-174.41) 09/23/2023   11:09:36  ( -76.37,-174.49)    2.50                63
 09/23/2023   12:01:24   (  76.39,  -7.14) 09/23/2023   12:00:29  (  76.40,  -7.11)    1.04                55
 09/23/2023   12:52:10   ( -76.41, 160.10) 09/23/2023   12:51:33  ( -76.41, 160.15)    1.33                37
 09/23/2023   13:42:56   (  76.42, -32.63) 09/23/2023   13:42:28  (  76.39, -32.63)    3.23                28
 09/23/2023   14:33:41   ( -76.39, 134.78) 09/23/2023   14:33:32  ( -76.40, 134.63)    4.09                 9
 09/23/2023   15:24:27   (  76.40, -57.95) 09/23/2023   15:24:26  (  76.43, -57.98)    2.77                 1
 09/23/2023   16:15:13   ( -76.42, 109.30) 09/23/2023   16:15:30  ( -76.43, 109.28)    1.43                17
 09/23/2023   17:05:59   (  76.43, -83.43) 09/23/2023   17:06:25  (  76.42, -83.51)    2.40                26
 09/23/2023   17:56:45   ( -76.45,  83.81) 09/23/2023   17:57:29  ( -76.43,  83.75)    3.11                44
 09/23/2023   18:47:31   (  76.46,-108.92) 09/23/2023   18:48:23  (  76.46,-108.86)    1.79                52
 09/23/2023   19:38:17   ( -76.48,  58.32) 09/23/2023   19:39:27  ( -76.46,  58.40)    2.79                70
 09/23/2023   20:29:07   (  76.67,-135.10) 09/23/2023   20:30:18  (  76.62,-133.68)   36.68                71