Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 18.  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   (  76.10,  19.30) 09/23/2023   10:18:38  (  76.08,  17.19)   56.58                69
 09/23/2023   11:10:39   ( -76.39,-174.45) 09/23/2023   11:09:35  ( -76.40,-174.39)    1.80                64
 09/23/2023   12:01:25   (  76.40,  -7.17) 09/23/2023   12:00:30  (  76.38,  -7.17)    1.59                55
 09/23/2023   12:52:11   ( -76.42, 160.07) 09/23/2023   12:51:34  ( -76.39, 160.09)    3.19                37
 09/23/2023   13:42:57   (  76.43, -32.66) 09/23/2023   13:42:28  (  76.42, -32.52)    3.64                29
 09/23/2023   14:33:41   ( -76.40, 134.75) 09/23/2023   14:33:31  ( -76.43, 134.74)    2.58                10
 09/23/2023   15:24:27   (  76.41, -57.98) 09/23/2023   15:24:26  (  76.41, -58.04)    1.74                 1
 09/23/2023   16:15:13   ( -76.43, 109.26) 09/23/2023   16:15:30  ( -76.42, 109.21)    1.99                17
 09/23/2023   17:05:59   (  76.44, -83.46) 09/23/2023   17:06:24  (  76.45, -83.39)    2.06                25
 09/23/2023   17:56:45   ( -76.46,  83.77) 09/23/2023   17:57:28  ( -76.45,  83.86)    2.34                43
 09/23/2023   18:47:31   (  76.47,-108.95) 09/23/2023   18:48:23  (  76.44,-108.92)    3.27                52
 09/23/2023   19:38:16   ( -76.44,  58.45) 09/23/2023   19:39:27  ( -76.45,  58.33)    3.13                71
 09/23/2023   20:29:07   (  76.68,-135.13) 09/23/2023   20:30:18  (  76.61,-133.74)   36.41                71