Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 12.  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)
 10/24/2023   20:07:30   ( -76.08,  52.89) 10/24/2023   20:06:20  ( -76.05,  51.02)   50.35                70
 10/24/2023   20:58:21   (  76.32,-140.64) 10/24/2023   20:57:16  (  76.31,-140.74)    2.70                65
 10/24/2023   21:49:07   ( -76.34,  26.58) 10/24/2023   21:48:12  ( -76.34,  26.64)    1.53                55
 10/24/2023   22:39:53   (  76.35,-166.14) 10/24/2023   22:39:14  (  76.35,-166.11)    1.02                39
 10/24/2023   23:30:38   ( -76.33,   1.24) 10/24/2023   23:30:11  ( -76.33,   1.10)    3.90                27
 10/25/2023   00:21:23   (  76.34, 168.52) 10/25/2023   00:21:11  (  76.38, 168.52)    4.14                12
 10/25/2023   01:12:09   ( -76.36, -24.26) 10/25/2023   01:12:08  ( -76.36, -24.28)    0.51                 1
 10/25/2023   02:02:55   (  76.37, 143.02) 10/25/2023   02:03:10  (  76.36, 142.98)    1.42                15
 10/25/2023   02:53:41   ( -76.40, -49.76) 10/25/2023   02:54:06  ( -76.39, -49.65)    2.93                25
 10/25/2023   03:44:27   (  76.41, 117.51) 10/25/2023   03:45:08  (  76.40, 117.61)    2.62                41
 10/25/2023   04:35:12   ( -76.38, -75.10) 10/25/2023   04:36:05  ( -76.38, -75.19)    2.54                53
 10/25/2023   05:25:58   (  76.39,  92.18) 10/25/2023   05:27:07  (  76.38,  92.07)    3.18                69
 10/25/2023   06:16:48   ( -76.59,-101.28) 10/25/2023   06:17:59  ( -76.58, -99.87)   36.26                71