Simultaneous Nadir Overpasses (SNOs) between FY3D and NOAA-19
TLE Epoch: 2023 9 29.  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)
 10/09/2023   02:48:17   ( -75.93, -47.01) 10/09/2023   02:47:11  ( -75.90, -50.15)   85.08                66
 10/09/2023   03:39:12   (  76.35, 118.79) 10/09/2023   03:37:59  (  76.36, 118.79)    0.68                73
 10/09/2023   04:29:58   ( -76.36, -73.95) 10/09/2023   04:28:59  ( -76.38, -73.87)    2.63                59
 10/09/2023   05:20:44   (  76.38,  93.30) 10/09/2023   05:19:57  (  76.39,  93.43)    3.71                47
 10/09/2023   06:11:30   ( -76.39, -99.44) 10/09/2023   06:10:58  ( -76.37, -99.40)    2.97                32
 10/09/2023   07:02:15   (  76.37,  67.97) 10/09/2023   07:01:56  (  76.38,  67.90)    2.41                19
 10/09/2023   07:53:01   ( -76.38,-124.77) 10/09/2023   07:52:56  ( -76.40,-124.77)    2.49                 5
 10/09/2023   08:43:47   (  76.40,  42.48) 10/09/2023   08:43:54  (  76.42,  42.55)    2.68                 7
 10/09/2023   09:34:33   ( -76.41,-150.26) 10/09/2023   09:34:55  ( -76.39,-150.30)    2.24                22
 10/09/2023   10:25:19   (  76.43,  16.99) 10/09/2023   10:25:53  (  76.41,  17.02)    2.52                34
 10/09/2023   11:16:05   ( -76.44,-175.75) 10/09/2023   11:16:53  ( -76.43,-175.66)    2.96                48
 10/09/2023   12:06:50   (  76.41,  -8.34) 10/09/2023   12:07:51  (  76.44,  -8.34)    2.98                61
 10/09/2023   12:57:37   ( -76.47, 158.75) 10/09/2023   12:58:51  ( -76.46, 158.98)    6.05                74