Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 27.  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)
 10/27/2025   20:56:33   (  76.42,-124.69) 10/27/2025   20:57:10  (  76.40,-124.74)    2.03                37
 10/27/2025   21:47:17   ( -76.39,  42.71) 10/27/2025   21:46:38  ( -76.38,  42.80)    3.01                39
 10/30/2025   13:13:08   (  76.43,  -8.83) 10/30/2025   13:13:39  (  76.41,  -8.84)    2.27                31
 10/30/2025   14:03:51   ( -76.36, 158.76) 10/30/2025   14:03:07  ( -76.39, 158.72)    3.02                44
 11/02/2025   05:29:43   (  76.41, 107.18) 11/02/2025   05:30:08  (  76.44, 107.14)    3.38                25
 11/02/2025   06:20:27   ( -76.39, -85.40) 11/02/2025   06:19:37  ( -76.37, -85.45)    1.87                50
 11/04/2025   21:46:19   (  76.45,-137.02) 11/04/2025   21:46:37  (  76.45,-136.96)    1.57                18
 11/04/2025   22:37:02   ( -76.37,  30.57) 11/04/2025   22:36:06  ( -76.38,  30.45)    3.33                56
 11/07/2025   14:02:54   (  76.45, -21.09) 11/07/2025   14:03:06  (  76.42, -21.16)    3.24                12