Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 5 4.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 05/04/2025   10:13:20   ( -75.74,-146.19) 05/04/2025   10:13:48  ( -75.73,-146.28)    2.78                28
 05/04/2025   11:04:05   (  75.69,  21.30) 05/04/2025   11:03:14  (  75.72,  21.31)    3.10                51
 05/07/2025   01:39:33   (  76.36, 160.18) 05/07/2025   01:40:37  (  76.30, 163.69)   92.50                64
 05/07/2025   02:30:03   ( -75.75, -30.31) 05/07/2025   02:30:15  ( -75.78, -30.28)    3.46                12
 05/07/2025   03:20:48   (  75.70, 137.15) 05/07/2025   03:19:42  (  75.71, 137.16)    0.86                66
 05/09/2025   17:56:02   (  75.79, -81.89) 05/09/2025   17:57:13  (  75.82, -81.92)    2.54                71
 05/09/2025   18:46:45   ( -75.76,  85.53) 05/09/2025   18:46:42  ( -75.74,  85.50)    2.59                 3
 05/09/2025   19:37:23   (  75.40,-105.97) 05/09/2025   19:36:14  (  75.42,-107.78)   50.93                69
 05/12/2025   10:12:45   (  75.82,  33.90) 05/12/2025   10:13:40  (  75.80,  33.90)    3.20                55
 05/12/2025   11:03:27   ( -75.74,-158.51) 05/12/2025   11:03:08  ( -75.77,-158.53)    3.39                19
 05/15/2025   02:29:27   (  75.82, 149.81) 05/15/2025   02:30:06  (  75.79, 149.78)    2.83                39
 05/15/2025   03:20:10   ( -75.78, -42.73) 05/15/2025   03:19:34  ( -75.77, -42.64)    2.56                36
 05/17/2025   18:46:09   (  75.82, -94.31) 05/17/2025   18:46:31  (  75.81, -94.28)    1.59                22