Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 15.  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)
 08/16/2025   15:59:28   ( -76.16, 128.58) 08/16/2025   16:00:23  ( -76.15, 128.64)    1.90                55
 08/16/2025   16:50:13   (  76.11, -63.94) 08/16/2025   16:49:50  (  76.08, -63.92)    3.37                23
 08/19/2025   08:16:08   ( -76.13,-115.41) 08/19/2025   08:16:53  ( -76.12,-115.55)    3.88                45
 08/19/2025   09:06:53   (  76.09,  52.06) 08/19/2025   09:06:19  (  76.11,  52.03)    2.26                34
 08/22/2025   00:32:49   ( -76.15,   0.41) 08/22/2025   00:33:22  ( -76.14,   0.36)    2.36                33
 08/22/2025   01:23:34   (  76.11, 167.88) 08/22/2025   01:22:48  (  76.11, 167.94)    1.61                46
 08/24/2025   16:49:28   ( -76.13, 116.39) 08/24/2025   16:49:50  ( -76.13, 116.24)    3.98                22
 08/24/2025   17:40:13   (  76.09, -76.16) 08/24/2025   17:39:16  (  76.11, -76.20)    1.96                57
 08/27/2025   08:15:36   (  76.64,  63.06) 08/27/2025   08:16:42  (  76.57,  65.92)   74.09                66
 08/27/2025   09:06:09   ( -76.16,-127.82) 08/27/2025   09:06:18  ( -76.16,-127.78)    1.09                 9