Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 19.  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   ( -76.07,  52.93) 10/24/2023   20:06:20  ( -76.05,  51.01)   51.69                70
 10/24/2023   20:58:22   (  76.34,-140.75) 10/24/2023   20:57:16  (  76.32,-140.74)    2.93                66
 10/24/2023   21:49:07   ( -76.33,  26.62) 10/24/2023   21:48:12  ( -76.34,  26.62)    1.58                55
 10/24/2023   22:39:53   (  76.33,-166.08) 10/24/2023   22:39:14  (  76.35,-166.11)    2.06                39
 10/24/2023   23:30:39   ( -76.36,   1.12) 10/24/2023   23:30:11  ( -76.33,   1.08)    3.61                28
 10/25/2023   00:21:25   (  76.36, 168.42) 10/25/2023   00:21:12  (  76.38, 168.52)    3.21                13
 10/25/2023   01:12:10   ( -76.35, -24.21) 10/25/2023   01:12:09  ( -76.36, -24.29)    2.35                 1
 10/25/2023   02:02:56   (  76.35, 143.08) 10/25/2023   02:03:11  (  76.37, 142.98)    3.20                15
 10/25/2023   02:53:42   ( -76.38, -49.72) 10/25/2023   02:54:07  ( -76.39, -49.66)    1.80                25
 10/25/2023   03:44:28   (  76.39, 117.58) 10/25/2023   03:45:09  (  76.40, 117.61)    1.77                41
 10/25/2023   04:35:14   ( -76.42, -75.22) 10/25/2023   04:36:06  ( -76.38, -75.20)    3.97                52
 10/25/2023   05:26:00   (  76.42,  92.08) 10/25/2023   05:27:08  (  76.39,  92.07)    3.41                68
 10/25/2023   06:16:49   ( -76.58,-101.23) 10/25/2023   06:18:01  ( -76.54,-100.06)   30.60                72