Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 13.  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   (  76.10,  19.30) 09/23/2023   10:18:37  (  76.08,  17.18)   56.83                69
 09/23/2023   11:10:38   ( -76.39,-174.43) 09/23/2023   11:09:34  ( -76.40,-174.38)    1.77                64
 09/23/2023   12:01:24   (  76.40,  -7.17) 09/23/2023   12:00:29  (  76.38,  -7.18)    2.32                55
 09/23/2023   12:52:10   ( -76.42, 160.08) 09/23/2023   12:51:33  ( -76.39, 160.09)    2.92                37
 09/23/2023   13:42:55   (  76.39, -32.49) 09/23/2023   13:42:27  (  76.42, -32.53)    3.60                28
 09/23/2023   14:33:41   ( -76.40, 134.76) 09/23/2023   14:33:31  ( -76.43, 134.74)    2.84                10
 09/23/2023   15:24:27   (  76.41, -57.98) 09/23/2023   15:24:26  (  76.41, -58.05)    2.06                 1
 09/23/2023   16:15:13   ( -76.43, 109.27) 09/23/2023   16:15:30  ( -76.42, 109.22)    2.01                17
 09/23/2023   17:05:59   (  76.44, -83.47) 09/23/2023   17:06:24  (  76.44, -83.40)    1.62                25
 09/23/2023   17:56:45   ( -76.46,  83.79) 09/23/2023   17:57:28  ( -76.45,  83.86)    2.06                43
 09/23/2023   18:47:30   (  76.43,-108.79) 09/23/2023   18:48:23  (  76.44,-108.93)    3.81                53
 09/23/2023   19:38:16   ( -76.44,  58.47) 09/23/2023   19:39:27  ( -76.44,  58.34)    3.37                71
 09/23/2023   20:29:06   (  76.63,-134.96) 09/23/2023   20:30:17  (  76.64,-133.58)   35.46                71