Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 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)
 08/22/2025   00:32:49   ( -76.15,   0.43) 08/22/2025   00:33:22  ( -76.14,   0.37)    2.02                33
 08/22/2025   01:23:34   (  76.10, 167.91) 08/22/2025   01:22:48  (  76.12, 167.96)    2.69                46
 08/24/2025   16:49:29   ( -76.17, 116.24) 08/24/2025   16:49:49  ( -76.18, 116.39)    4.20                20
 08/24/2025   17:40:14   (  76.13, -76.28) 08/24/2025   17:39:16  (  76.12, -76.18)    3.22                58
 08/27/2025   08:15:36   (  76.63,  63.10) 08/27/2025   08:16:43  (  76.53,  65.77)   69.97                67
 08/27/2025   09:06:09   ( -76.16,-127.80) 08/27/2025   09:06:18  ( -76.16,-127.78)    0.85                 9
 08/27/2025   09:56:54   (  76.11,  39.67) 08/27/2025   09:55:45  (  76.09,  39.64)    2.46                69
 08/30/2025   00:32:07   (  76.22,-179.43) 08/30/2025   00:33:18  (  76.20,-179.41)    2.00                71
 08/30/2025   01:22:49   ( -76.15, -11.85) 08/30/2025   01:22:46  ( -76.18, -11.84)    3.71                 3
 08/30/2025   02:13:27   (  75.79, 156.72) 08/30/2025   02:12:18  (  75.86, 154.82)   52.50                69
 09/01/2025   16:48:47   (  76.21, -63.51) 09/01/2025   16:49:46  (  76.20, -63.52)    1.54                59
 09/01/2025   17:39:30   ( -76.18, 103.92) 09/01/2025   17:39:14  ( -76.18, 104.05)    3.56                16