Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 6 17.  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)
 06/18/2025   20:24:56   (  75.92,-118.50) 06/18/2025   20:25:50  (  75.91,-118.51)    0.68                54
 06/18/2025   21:15:40   ( -75.90,  48.90) 06/18/2025   21:15:18  ( -75.89,  49.05)    3.96                22
 06/21/2025   12:41:37   (  75.94,  -2.65) 06/21/2025   12:42:20  (  75.94,  -2.55)    2.82                43
 06/21/2025   13:32:20   ( -75.86, 164.92) 06/21/2025   13:31:49  ( -75.87, 164.87)    1.52                31
 06/24/2025   04:58:16   (  75.91, 113.33) 06/24/2025   04:58:50  (  75.90, 113.21)    3.44                34
 06/24/2025   05:49:00   ( -75.88, -79.25) 06/24/2025   05:48:18  ( -75.88, -79.21)    1.02                42
 06/26/2025   21:14:57   (  75.94,-130.86) 06/26/2025   21:15:19  (  75.95,-130.78)    2.43                22
 06/26/2025   22:05:40   ( -75.86,  36.73) 06/26/2025   22:04:48  ( -75.88,  36.66)    2.85                52
 06/29/2025   13:31:37   (  75.93, -14.91) 06/29/2025   13:31:49  (  75.92, -14.96)    1.27                12