Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 14.  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   10:19:46   (  76.08,  19.36) 09/23/2023   10:18:37  (  76.10,  17.24)   56.73                69
 09/23/2023   11:10:38   ( -76.37,-174.37) 09/23/2023   11:09:35  ( -76.37,-174.49)    3.05                63
 09/23/2023   12:01:24   (  76.38,  -7.10) 09/23/2023   12:00:29  (  76.40,  -7.11)    1.69                55
 09/23/2023   12:52:10   ( -76.40, 160.14) 09/23/2023   12:51:33  ( -76.41, 160.16)    1.00                37
 09/23/2023   13:42:56   (  76.41, -32.59) 09/23/2023   13:42:28  (  76.39, -32.63)    2.61                28
 09/23/2023   14:33:42   ( -76.43, 134.66) 09/23/2023   14:33:32  ( -76.40, 134.64)    3.22                10
 09/23/2023   15:24:28   (  76.44, -58.08) 09/23/2023   15:24:26  (  76.43, -57.98)    2.96                 2
 09/23/2023   16:15:13   ( -76.41, 109.34) 09/23/2023   16:15:30  ( -76.43, 109.28)    2.89                17
 09/23/2023   17:05:59   (  76.43, -83.40) 09/23/2023   17:06:25  (  76.42, -83.51)    2.88                26
 09/23/2023   17:56:45   ( -76.44,  83.85) 09/23/2023   17:57:29  ( -76.43,  83.76)    2.87                44
 09/23/2023   18:47:31   (  76.45,-108.89) 09/23/2023   18:48:23  (  76.45,-108.86)    0.79                52
 09/23/2023   19:38:17   ( -76.47,  58.36) 09/23/2023   19:39:27  ( -76.46,  58.40)    1.38                70
 09/23/2023   20:29:07   (  76.66,-135.06) 09/23/2023   20:30:18  (  76.62,-133.69)   35.70                71