Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 20.  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   (  76.12,  19.22) 09/23/2023   10:18:37  (  76.11,  17.27)   51.94                70
 09/23/2023   11:10:38   ( -76.37,-174.37) 09/23/2023   11:09:35  ( -76.38,-174.47)    2.65                63
 09/23/2023   12:01:24   (  76.38,  -7.09) 09/23/2023   12:00:29  (  76.41,  -7.08)    3.37                55
 09/23/2023   12:52:10   ( -76.40, 160.14) 09/23/2023   12:51:33  ( -76.41, 160.17)    1.68                37
 09/23/2023   13:42:56   (  76.41, -32.58) 09/23/2023   13:42:28  (  76.40, -32.60)    0.94                28
 09/23/2023   14:33:42   ( -76.43, 134.65) 09/23/2023   14:33:32  ( -76.40, 134.65)    2.67                10
 09/23/2023   15:24:28   (  76.44, -58.07) 09/23/2023   15:24:26  (  76.44, -57.95)    2.94                 2
 09/23/2023   16:15:13   ( -76.41, 109.33) 09/23/2023   16:15:30  ( -76.44, 109.30)    3.16                17
 09/23/2023   17:05:59   (  76.42, -83.39) 09/23/2023   17:06:25  (  76.43, -83.48)    2.54                26
 09/23/2023   17:56:45   ( -76.44,  83.84) 09/23/2023   17:57:29  ( -76.43,  83.77)    2.17                44
 09/23/2023   18:47:31   (  76.45,-108.87) 09/23/2023   18:48:23  (  76.46,-108.83)    2.17                52
 09/23/2023   19:38:17   ( -76.47,  58.36) 09/23/2023   19:39:27  ( -76.47,  58.42)    1.66                70
 09/23/2023   20:29:07   (  76.65,-135.05) 09/23/2023   20:30:18  (  76.63,-133.65)   36.00                71