Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 10.  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   (  76.11,  19.28) 09/23/2023   10:18:38  (  76.10,  17.24)   54.53                69
 09/23/2023   11:10:39   ( -76.39,-174.44) 09/23/2023   11:09:36  ( -76.37,-174.47)    1.89                63
 09/23/2023   12:01:25   (  76.41,  -7.19) 09/23/2023   12:00:30  (  76.40,  -7.11)    2.18                55
 09/23/2023   12:52:11   ( -76.42, 160.07) 09/23/2023   12:51:34  ( -76.41, 160.17)    2.70                37
 09/23/2023   13:42:56   (  76.39, -32.51) 09/23/2023   13:42:29  (  76.39, -32.63)    3.22                27
 09/23/2023   14:33:42   ( -76.40, 134.76) 09/23/2023   14:33:33  ( -76.40, 134.65)    2.75                 9
 09/23/2023   15:24:28   (  76.42, -57.99) 09/23/2023   15:24:27  (  76.43, -57.98)    1.12                 1
 09/23/2023   16:15:14   ( -76.43, 109.27) 09/23/2023   16:15:31  ( -76.44, 109.30)    1.18                17
 09/23/2023   17:06:00   (  76.45, -83.48) 09/23/2023   17:06:26  (  76.42, -83.50)    2.97                26
 09/23/2023   17:56:46   ( -76.46,  83.78) 09/23/2023   17:57:30  ( -76.43,  83.77)    3.13                44
 09/23/2023   18:47:31   (  76.43,-108.80) 09/23/2023   18:48:24  (  76.46,-108.85)    3.14                53
 09/23/2023   19:38:17   ( -76.44,  58.46) 09/23/2023   19:39:28  ( -76.47,  58.42)    2.79                71
 09/23/2023   20:29:08   (  76.68,-135.15) 09/23/2023   20:30:18  (  76.66,-133.50)   42.29                70