Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 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)
 06/05/2025   11:52:15   ( -75.84,-170.41) 06/05/2025   11:52:41  ( -75.85,-170.44)    1.40                26
 06/05/2025   12:42:59   (  75.78,  -2.90) 06/05/2025   12:42:08  (  75.78,  -2.99)    2.56                51
 06/08/2025   03:18:26   (  76.47, 135.86) 06/08/2025   03:19:30  (  76.40, 139.57)   96.88                64
 06/08/2025   04:08:56   ( -75.83, -54.46) 06/08/2025   04:09:09  ( -75.84, -54.57)    3.41                13
 06/08/2025   04:59:41   (  75.82, 112.87) 06/08/2025   04:58:35  (  75.82, 113.01)    3.77                66
 06/10/2025   19:34:55   (  75.98,-106.41) 06/10/2025   19:36:06  (  75.94,-106.03)   11.41                71
 06/10/2025   20:25:37   ( -75.87,  61.30) 06/10/2025   20:25:35  ( -75.86,  61.38)    2.19                 2
 06/10/2025   21:16:16   (  75.59,-130.46) 06/10/2025   21:15:05  (  75.64,-131.63)   32.92                71
 06/13/2025   11:51:34   (  75.89,   9.79) 06/13/2025   11:52:34  (  75.89,   9.71)    2.28                60
 06/13/2025   12:42:18   ( -75.87, 177.20) 06/13/2025   12:42:02  ( -75.87, 177.28)    2.19                16
 06/16/2025   04:08:15   (  75.90, 125.66) 06/16/2025   04:09:00  (  75.92, 125.70)    1.85                45
 06/16/2025   04:58:59   ( -75.87, -66.92) 06/16/2025   04:58:29  ( -75.85, -66.87)    2.73                30