Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 22.  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,  51.05)   51.69                70
 10/24/2023   20:58:22   (  76.33,-140.68) 10/24/2023   20:57:16  (  76.33,-140.68)    0.84                66
 10/24/2023   21:49:08   ( -76.36,  26.51) 10/24/2023   21:48:12  ( -76.36,  26.67)    4.37                56
 10/24/2023   22:39:54   (  76.36,-166.18) 10/24/2023   22:39:14  (  76.37,-166.05)    3.58                40
 10/24/2023   23:30:39   ( -76.35,   1.17) 10/24/2023   23:30:11  ( -76.34,   1.13)    1.07                28
 10/25/2023   00:21:24   (  76.35, 168.48) 10/25/2023   00:21:12  (  76.35, 168.41)    2.00                12
 10/25/2023   01:12:10   ( -76.38, -24.33) 10/25/2023   01:12:08  ( -76.38, -24.24)    2.38                 2
 10/25/2023   02:02:56   (  76.38, 142.98) 10/25/2023   02:03:10  (  76.39, 143.04)    1.73                14
 10/25/2023   02:53:41   ( -76.37, -49.66) 10/25/2023   02:54:07  ( -76.36, -49.78)    3.10                26
 10/25/2023   03:44:27   (  76.37, 117.65) 10/25/2023   03:45:09  (  76.37, 117.50)    3.82                42
 10/25/2023   04:35:13   ( -76.40, -75.16) 10/25/2023   04:36:05  ( -76.39, -75.15)    0.70                52
 10/25/2023   05:25:59   (  76.40,  92.15) 10/25/2023   05:27:07  (  76.41,  92.13)    0.62                68
 10/25/2023   06:16:49   ( -76.61,-101.34) 10/25/2023   06:18:00  ( -76.56,-100.00)   35.12                71