Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 7 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)
 07/04/2025   21:14:14   ( -75.99,  49.35) 07/04/2025   21:15:21  ( -76.01,  49.42)    2.37                67
 07/04/2025   22:04:58   (  75.95,-143.18) 07/04/2025   22:04:48  (  75.94,-143.15)    1.27                10
 07/04/2025   22:55:31   ( -75.42,  25.89) 07/04/2025   22:54:25  ( -75.47,  23.11)   78.04                66
 07/07/2025   13:30:53   ( -75.99, 165.27) 07/07/2025   13:31:49  ( -76.01, 165.32)    2.99                56
 07/07/2025   14:21:37   (  75.94, -27.25) 07/07/2025   14:21:16  (  75.94, -27.26)    0.05                21
 07/10/2025   05:47:33   ( -75.99, -78.81) 07/10/2025   05:48:18  ( -76.00, -78.82)    2.14                45
 07/10/2025   06:38:17   (  75.94,  88.66) 07/10/2025   06:37:45  (  75.93,  88.59)    2.04                32
 07/12/2025   22:04:13   ( -75.99,  37.08) 07/12/2025   22:04:47  ( -75.98,  37.00)    2.44                34
 07/12/2025   22:54:57   (  75.94,-155.45) 07/12/2025   22:54:13  (  75.96,-155.45)    1.28                44
 07/15/2025   14:20:53   ( -75.99, 152.97) 07/15/2025   14:21:15  ( -76.00, 152.93)    1.09                22