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)
 10/30/2025   13:13:08   (  76.40,  -8.71) 10/30/2025   13:13:40  (  76.40,  -8.87)    4.30                32
 10/30/2025   14:03:52   ( -76.38, 158.71) 10/30/2025   14:03:08  ( -76.38, 158.68)    0.70                44
 11/02/2025   05:29:43   (  76.43, 107.12) 11/02/2025   05:30:08  (  76.44, 107.12)    1.24                25
 11/02/2025   06:20:27   ( -76.40, -85.45) 11/02/2025   06:19:37  ( -76.37, -85.47)    3.59                50
 11/04/2025   21:46:19   (  76.46,-137.08) 11/04/2025   21:46:37  (  76.45,-136.96)    3.40                18
 11/04/2025   22:37:02   ( -76.39,  30.52) 11/04/2025   22:36:06  ( -76.38,  30.44)    2.15                56
 11/07/2025   14:02:54   (  76.46, -21.15) 11/07/2025   14:03:06  (  76.43, -21.14)    3.45                12
 11/07/2025   14:53:37   ( -76.39, 146.45) 11/07/2025   14:52:34  ( -76.41, 146.44)    2.76                63
 11/10/2025   05:28:54   ( -76.89, -74.27) 11/10/2025   05:30:01  ( -76.80, -71.63)   67.72                67
 11/10/2025   06:19:29   (  76.47,  94.75) 11/10/2025   06:19:34  (  76.44,  94.77)    3.80                 5