Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 5 8.  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)
 05/09/2025   17:56:03   (  75.83, -82.03) 05/09/2025   17:57:13  (  75.83, -81.89)    4.05                70
 05/09/2025   18:46:45   ( -75.76,  85.53) 05/09/2025   18:46:42  ( -75.75,  85.51)    1.74                 3
 05/09/2025   19:37:23   (  75.39,-105.95) 05/09/2025   19:36:14  (  75.43,-107.75)   50.64                69
 05/12/2025   10:12:45   (  75.81,  33.93) 05/12/2025   10:13:40  (  75.83,  33.99)    2.02                55
 05/12/2025   11:03:27   ( -75.74,-158.49) 05/12/2025   11:03:09  ( -75.75,-158.60)    3.49                18
 05/15/2025   02:29:27   (  75.80, 149.87) 05/15/2025   02:30:07  (  75.80, 149.80)    1.93                40
 05/15/2025   03:20:10   ( -75.76, -42.68) 05/15/2025   03:19:35  ( -75.78, -42.63)    2.23                35
 05/17/2025   18:46:09   (  75.79, -94.21) 05/17/2025   18:46:33  (  75.81, -94.30)    2.87                24
 05/17/2025   19:36:52   ( -75.75,  73.25) 05/17/2025   19:36:02  ( -75.74,  73.13)    3.65                50
 05/20/2025   10:12:17   ( -76.35,-147.64) 05/20/2025   10:13:23  ( -76.26,-144.65)   79.37                66
 05/20/2025   11:02:50   (  75.79,  21.68) 05/20/2025   11:02:58  (  75.79,  21.55)    3.77                 8