Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 3 19.  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)
 03/20/2025   00:01:01   (  76.13,-175.55) 03/20/2025   00:02:06  (  76.03,-172.36)   85.93                65
 03/20/2025   00:51:32   ( -75.53,  -6.17) 03/20/2025   00:51:44  ( -75.51,  -6.27)    3.38                12
 03/20/2025   01:42:17   (  75.50, 161.22) 03/20/2025   01:41:10  (  75.48, 161.31)    3.04                67
 03/22/2025   16:17:36   (  75.59, -57.82) 03/22/2025   16:18:38  (  75.56, -57.86)    3.20                62
 03/22/2025   17:08:19   ( -75.54, 109.67) 03/22/2025   17:08:06  ( -75.53, 109.70)    0.85                13
 03/25/2025   08:34:23   (  75.57,  58.12) 03/25/2025   08:35:00  (  75.58,  58.09)    1.59                37
 03/25/2025   09:25:06   ( -75.52,-134.39) 03/25/2025   09:24:29  ( -75.50,-134.48)    2.78                37
 03/28/2025   00:51:10   (  75.56, 174.00) 03/28/2025   00:51:21  (  75.59, 174.03)    2.99                11
 03/28/2025   01:41:53   ( -75.51, -18.52) 03/28/2025   01:40:50  ( -75.52, -18.54)    0.64                63
 03/30/2025   16:17:12   ( -75.61, 122.42) 03/30/2025   16:18:15  ( -75.63, 122.42)    2.41                63
 03/30/2025   17:07:57   (  75.58, -70.18) 03/30/2025   17:07:42  (  75.55, -70.18)    3.88                15