Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 11.  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)
 06/13/2025   11:51:36   (  75.99,   9.44) 06/13/2025   11:52:48  (  75.91,   9.73)   11.86                72
 06/13/2025   12:42:18   ( -75.88, 177.15) 06/13/2025   12:42:16  ( -75.89, 177.29)    4.00                 2
 06/13/2025   13:32:57   (  75.60, -14.60) 06/13/2025   13:31:46  (  75.67, -15.70)   31.42                71
 06/16/2025   04:08:15   (  75.91, 125.64) 06/16/2025   04:09:19  (  75.93, 125.67)    2.97                64
 06/16/2025   04:58:59   ( -75.88, -66.95) 06/16/2025   04:58:48  ( -75.86, -66.91)    2.20                11
 06/18/2025   20:24:56   (  75.92,-118.49) 06/18/2025   20:25:50  (  75.94,-118.43)    3.04                54
 06/18/2025   21:15:40   ( -75.89,  48.94) 06/18/2025   21:15:19  ( -75.87,  49.00)    2.13                21
 06/21/2025   12:41:37   (  75.93,  -2.63) 06/21/2025   12:42:21  (  75.93,  -2.58)    1.55                44
 06/21/2025   13:32:21   ( -75.89, 164.81) 06/21/2025   13:31:50  ( -75.87, 164.87)    3.06                31
 06/24/2025   04:58:17   (  75.94, 113.22) 06/24/2025   04:58:51  (  75.92, 113.24)    3.30                34
 06/24/2025   05:49:00   ( -75.86, -79.18) 06/24/2025   05:48:20  ( -75.86, -79.30)    3.44                40