Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 10 20.  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)
 10/22/2025   12:23:21   (  76.39,   3.56) 10/22/2025   12:24:09  (  76.40,   3.49)    1.75                48
 10/22/2025   13:14:05   ( -76.37, 170.97) 10/22/2025   13:13:37  ( -76.37, 171.03)    1.73                28
 10/25/2025   04:39:56   (  76.39, 119.47) 10/25/2025   04:40:34  (  76.41, 119.44)    2.31                38
 10/25/2025   05:30:40   ( -76.37, -73.11) 10/25/2025   05:30:02  ( -76.39, -73.01)    3.35                38
 10/27/2025   20:56:32   (  76.41,-124.65) 10/27/2025   20:57:00  (  76.40,-124.72)    2.30                28
 10/27/2025   21:47:16   ( -76.38,  42.78) 10/27/2025   21:46:28  ( -76.37,  42.83)    1.45                48
 10/30/2025   13:13:08   (  76.43,  -8.81) 10/30/2025   13:13:24  (  76.44,  -8.68)    3.52                16
 10/30/2025   14:03:51   ( -76.35, 158.80) 10/30/2025   14:02:53  ( -76.37, 158.72)    2.61                58
 11/02/2025   04:39:09   ( -76.88, -62.01) 11/02/2025   04:40:16  ( -76.76, -59.31)   69.69                67
 11/02/2025   05:29:43   (  76.42, 107.16) 11/02/2025   05:29:49  (  76.40, 107.09)    2.93                 6