Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 11 10.  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)
 11/12/2025   21:45:21   ( -76.60,  42.86) 11/12/2025   21:46:33  ( -76.50,  43.23)   14.20                72
 11/12/2025   22:36:03   (  76.47,-149.32) 11/12/2025   22:36:00  (  76.44,-149.35)    3.59                 3
 11/12/2025   23:26:42   ( -76.23,  18.90) 11/12/2025   23:25:31  ( -76.26,  17.72)   31.59                71
 11/15/2025   14:01:53   ( -76.49, 159.21) 11/15/2025   14:03:00  ( -76.49, 159.07)    3.50                67
 11/15/2025   14:52:37   (  76.45, -33.31) 11/15/2025   14:52:26  (  76.47, -33.35)    2.39                11
 11/15/2025   15:43:09   ( -75.90, 136.03) 11/15/2025   15:42:04  ( -75.96, 132.65)   91.76                65
 11/18/2025   06:18:28   ( -76.53, -85.00) 11/18/2025   06:19:26  ( -76.50, -85.01)    3.58                58
 11/18/2025   07:09:12   (  76.49,  82.48) 11/18/2025   07:08:52  (  76.47,  82.55)    2.36                20
 11/20/2025   22:35:02   ( -76.53,  30.92) 11/20/2025   22:35:51  ( -76.52,  30.96)    1.61                49
 11/20/2025   23:25:46   (  76.49,-161.59) 11/20/2025   23:25:17  (  76.49,-161.49)    2.79                29
 11/23/2025   14:51:35   ( -76.55, 146.81) 11/23/2025   14:52:15  ( -76.51, 146.83)    3.76                40
 11/23/2025   15:42:19   (  76.50, -45.71) 11/23/2025   15:41:41  (  76.48, -45.62)    3.09                38