Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 21.  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  (  76.08,  17.18)   56.19                69
 09/23/2023   11:10:39   ( -76.40,-174.48) 09/23/2023   11:09:35  ( -76.39,-174.41)    2.16                64
 09/23/2023   12:01:25   (  76.41,  -7.20) 09/23/2023   12:00:30  (  76.38,  -7.18)    2.64                55
 09/23/2023   12:52:10   ( -76.38, 160.20) 09/23/2023   12:51:34  ( -76.39, 160.07)    3.28                36
 09/23/2023   13:42:56   (  76.39, -32.52) 09/23/2023   13:42:28  (  76.42, -32.53)    3.19                28
 09/23/2023   14:33:42   ( -76.41, 134.71) 09/23/2023   14:33:32  ( -76.42, 134.72)    1.02                10
 09/23/2023   15:24:28   (  76.42, -58.00) 09/23/2023   15:24:27  (  76.41, -58.05)    1.54                 1
 09/23/2023   16:15:14   ( -76.44, 109.22) 09/23/2023   16:15:31  ( -76.41, 109.19)    3.16                17
 09/23/2023   17:06:00   (  76.45, -83.49) 09/23/2023   17:06:25  (  76.45, -83.40)    2.33                25
 09/23/2023   17:56:45   ( -76.43,  83.90) 09/23/2023   17:57:29  ( -76.45,  83.84)    3.07                44
 09/23/2023   18:47:31   (  76.43,-108.81) 09/23/2023   18:48:24  (  76.44,-108.93)    3.06                53
 09/23/2023   19:38:17   ( -76.45,  58.41) 09/23/2023   19:39:28  ( -76.44,  58.32)    2.93                71
 09/23/2023   20:29:08   (  76.68,-135.16) 09/23/2023   20:30:18  (  76.65,-133.58)   40.76                70