Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 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)
 10/24/2023   20:07:30   ( -76.06,  52.98) 10/24/2023   20:06:20  ( -76.06,  51.04)   51.97                70
 10/24/2023   20:58:22   (  76.33,-140.69) 10/24/2023   20:57:16  (  76.33,-140.70)    0.27                66
 10/24/2023   21:49:06   ( -76.32,  26.67) 10/24/2023   21:48:11  ( -76.35,  26.66)    4.14                55
 10/24/2023   22:39:53   (  76.36,-166.19) 10/24/2023   22:39:13  (  76.36,-166.07)    3.24                40
 10/24/2023   23:30:38   ( -76.35,   1.17) 10/24/2023   23:30:10  ( -76.34,   1.12)    1.62                28
 10/25/2023   00:21:24   (  76.35, 168.47) 10/25/2023   00:21:12  (  76.35, 168.39)    2.17                12
 10/25/2023   01:12:10   ( -76.38, -24.33) 10/25/2023   01:12:08  ( -76.37, -24.25)    2.30                 2
 10/25/2023   02:02:56   (  76.38, 142.97) 10/25/2023   02:03:10  (  76.38, 143.02)    1.38                14
 10/25/2023   02:53:41   ( -76.37, -49.67) 10/25/2023   02:54:07  ( -76.36, -49.79)    3.59                26
 10/25/2023   03:44:27   (  76.37, 117.64) 10/25/2023   03:45:09  (  76.37, 117.48)    4.09                42
 10/25/2023   04:35:13   ( -76.40, -75.17) 10/25/2023   04:36:05  ( -76.39, -75.17)    1.35                52
 10/25/2023   05:25:59   (  76.40,  92.13) 10/25/2023   05:27:07  (  76.40,  92.11)    0.85                68
 10/25/2023   06:16:49   ( -76.61,-101.35) 10/25/2023   06:18:00  ( -76.55,-100.02)   34.93                71