Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 5 30.  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)
 05/31/2025   03:18:53   ( -75.85, -42.23) 05/31/2025   03:19:45  ( -75.85, -42.21)    0.70                52
 05/31/2025   04:09:37   (  75.78, 125.30) 05/31/2025   04:09:12  (  75.79, 125.24)    1.65                25
 06/02/2025   19:35:33   ( -75.82,  73.75) 06/02/2025   19:36:13  ( -75.84,  73.63)    3.62                40
 06/02/2025   20:26:18   (  75.81,-118.89) 06/02/2025   20:25:39  (  75.82,-118.79)    2.96                39
 06/05/2025   11:52:15   ( -75.85,-170.44) 06/05/2025   11:52:41  ( -75.85,-170.44)    0.13                26
 06/05/2025   12:42:59   (  75.80,  -2.95) 06/05/2025   12:42:08  (  75.78,  -3.02)    2.97                51
 06/08/2025   03:18:26   (  76.49, 135.81) 06/08/2025   03:19:30  (  76.40, 139.55)   97.98                64
 06/08/2025   04:08:56   ( -75.84, -54.50) 06/08/2025   04:09:09  ( -75.84, -54.57)    2.13                13
 06/08/2025   04:59:40   (  75.79, 112.98) 06/08/2025   04:58:35  (  75.82, 112.99)    2.82                65
 06/10/2025   19:34:55   (  75.95,-106.31) 06/10/2025   19:36:07  (  75.93,-106.05)    7.30                72
 06/10/2025   20:25:38   ( -75.88,  61.27) 06/10/2025   20:25:36  ( -75.86,  61.38)    3.51                 2