Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 12.  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,   9.46) 06/13/2025   11:52:48  (  75.92,   9.74)   11.10                72
 06/13/2025   12:42:18   ( -75.88, 177.16) 06/13/2025   12:42:17  ( -75.84, 177.15)    3.89                 1
 06/13/2025   13:32:57   (  75.60, -14.58) 06/13/2025   13:31:46  (  75.68, -15.69)   31.82                71
 06/16/2025   04:08:15   (  75.90, 125.65) 06/16/2025   04:09:19  (  75.93, 125.66)    3.02                64
 06/16/2025   04:58:59   ( -75.88, -66.94) 06/16/2025   04:58:48  ( -75.86, -66.92)    2.15                11
 06/18/2025   20:24:56   (  75.92,-118.48) 06/18/2025   20:25:50  (  75.93,-118.46)    1.85                54
 06/18/2025   21:15:40   ( -75.89,  48.94) 06/18/2025   21:15:19  ( -75.86,  48.97)    2.62                21
 06/21/2025   12:41:37   (  75.93,  -2.63) 06/21/2025   12:42:21  (  75.92,  -2.63)    1.65                44
 06/21/2025   13:32:19   ( -75.85, 164.95) 06/21/2025   13:31:49  ( -75.85, 164.81)    3.91                30
 06/24/2025   04:58:17   (  75.95, 113.20) 06/24/2025   04:58:50  (  75.93, 113.31)    3.38                33
 06/24/2025   05:49:00   ( -75.87, -79.20) 06/24/2025   05:48:19  ( -75.87, -79.25)    1.26                41