Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 10 21.  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   20:07:29   ( -76.05,  53.00) 10/24/2023   20:06:19  ( -76.07,  51.07)   51.73                70
 10/24/2023   20:58:21   (  76.32,-140.67) 10/24/2023   20:57:15  (  76.34,-140.66)    1.76                66
 10/24/2023   21:49:07   ( -76.35,  26.53) 10/24/2023   21:48:12  ( -76.32,  26.53)    3.94                55
 10/24/2023   22:39:53   (  76.35,-166.17) 10/24/2023   22:39:14  (  76.33,-166.20)    3.35                39
 10/24/2023   23:30:38   ( -76.34,   1.19) 10/24/2023   23:30:10  ( -76.35,   1.15)    1.37                28
 10/25/2023   00:21:24   (  76.34, 168.50) 10/25/2023   00:21:12  (  76.36, 168.43)    2.50                12
 10/25/2023   01:12:10   ( -76.37, -24.31) 10/25/2023   01:12:08  ( -76.38, -24.22)    2.42                 2
 10/25/2023   02:02:56   (  76.38, 143.00) 10/25/2023   02:03:10  (  76.39, 143.06)    2.21                14
 10/25/2023   02:53:41   ( -76.36, -49.64) 10/25/2023   02:54:07  ( -76.37, -49.76)    3.16                26
 10/25/2023   03:44:28   (  76.41, 117.50) 10/25/2023   03:45:09  (  76.38, 117.52)    3.48                41
 10/25/2023   04:35:13   ( -76.39, -75.14) 10/25/2023   04:36:05  ( -76.40, -75.13)    0.56                52
 10/25/2023   05:25:59   (  76.40,  92.16) 10/25/2023   05:27:07  (  76.41,  92.15)    1.45                68
 10/25/2023   06:16:49   ( -76.60,-101.32) 10/25/2023   06:18:00  ( -76.56, -99.98)   34.92                71