Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 18.  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)
 08/19/2025   08:16:08   ( -76.13,-115.42) 08/19/2025   08:16:52  ( -76.17,-115.41)    4.07                44
 08/19/2025   09:06:53   (  76.09,  52.06) 08/19/2025   09:06:19  (  76.11,  52.03)    2.27                34
 08/22/2025   00:32:49   ( -76.15,   0.41) 08/22/2025   00:33:22  ( -76.13,   0.35)    2.89                33
 08/22/2025   01:23:34   (  76.11, 167.88) 08/22/2025   01:22:48  (  76.11, 167.93)    1.47                46
 08/24/2025   16:49:29   ( -76.18, 116.22) 08/24/2025   16:49:49  ( -76.18, 116.38)    4.21                20
 08/24/2025   17:40:13   (  76.09, -76.15) 08/24/2025   17:39:16  (  76.11, -76.20)    2.16                57
 08/27/2025   08:15:36   (  76.63,  63.06) 08/27/2025   08:16:42  (  76.57,  65.91)   73.80                66
 08/27/2025   09:06:09   ( -76.16,-127.82) 08/27/2025   09:06:18  ( -76.16,-127.79)    0.92                 9
 08/27/2025   09:56:54   (  76.12,  39.64) 08/27/2025   09:55:44  (  76.14,  39.77)    3.83                70
 08/30/2025   00:32:06   (  76.18,-179.30) 08/30/2025   00:33:18  (  76.20,-179.43)    3.56                72
 08/30/2025   01:22:49   ( -76.15, -11.88) 08/30/2025   01:22:46  ( -76.18, -11.85)    2.60                 3