Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 9.  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)
 08/11/2025   07:26:11   ( -76.34,-103.89) 08/11/2025   07:27:22  ( -76.22,-102.87)   29.55                71
 08/11/2025   08:16:51   (  76.08,  64.39) 08/11/2025   08:16:50  (  76.11,  64.41)    3.94                 1
 08/11/2025   09:07:32   ( -75.96,-127.87) 08/11/2025   09:06:19  ( -76.04,-128.19)   12.34                73
 08/13/2025   23:42:47   ( -76.12,  12.82) 08/13/2025   23:43:54  ( -76.14,  12.73)    2.92                67
 08/14/2025   00:33:32   (  76.08,-179.73) 08/14/2025   00:33:21  (  76.07,-179.85)    3.55                11
 08/14/2025   01:24:04   ( -75.55, -10.60) 08/14/2025   01:22:58  ( -75.60, -13.61)   83.49                66
 08/16/2025   15:59:28   ( -76.13, 128.68) 08/16/2025   16:00:24  ( -76.13, 128.59)    2.54                56
 08/16/2025   16:50:13   (  76.09, -63.87) 08/16/2025   16:49:50  (  76.11, -63.84)    1.67                23
 08/19/2025   08:16:09   ( -76.15,-115.46) 08/19/2025   08:16:53  ( -76.16,-115.45)    1.32                44
 08/19/2025   09:06:54   (  76.11,  51.98) 08/19/2025   09:06:20  (  76.08,  51.96)    2.95                34
 08/22/2025   00:32:49   ( -76.16,   0.38) 08/22/2025   00:33:21  ( -76.17,   0.47)    2.51                32