Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2025 8 11.  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   ( -76.32,-103.81) 08/11/2025   07:27:23  ( -76.20,-102.96)   26.11                72
 08/11/2025   08:16:52   (  76.10,  64.31) 08/11/2025   08:16:51  (  76.09,  64.33)    1.30                 1
 08/11/2025   09:07:33   ( -75.98,-127.95) 08/11/2025   09:06:20  ( -76.01,-128.27)    9.14                73
 08/13/2025   23:42:48   ( -76.15,  12.72) 08/13/2025   23:43:54  ( -76.16,  12.78)    1.87                66
 08/14/2025   00:33:33   (  76.11,-179.82) 08/14/2025   00:33:21  (  76.09,-179.78)    2.09                12
 08/14/2025   01:24:04   ( -75.53, -10.53) 08/14/2025   01:22:59  ( -75.57, -13.70)   87.79                65
 08/16/2025   15:59:28   ( -76.16, 128.58) 08/16/2025   16:00:23  ( -76.14, 128.63)    2.22                55
 08/16/2025   16:50:12   (  76.07, -63.80) 08/16/2025   16:49:50  (  76.07, -63.95)    4.07                22
 08/19/2025   08:16:08   ( -76.13,-115.41) 08/19/2025   08:16:52  ( -76.16,-115.43)    3.42                44
 08/19/2025   09:06:53   (  76.09,  52.04) 08/19/2025   09:06:19  (  76.09,  51.98)    1.58                34
 08/22/2025   00:32:49   ( -76.15,   0.41) 08/22/2025   00:33:21  ( -76.16,   0.46)    1.70                32
 08/22/2025   01:23:34   (  76.11, 167.86) 08/22/2025   01:22:48  (  76.09, 167.86)    2.95                46
 08/24/2025   16:49:29   ( -76.13, 116.39) 08/24/2025   16:49:50  ( -76.15, 116.29)    2.96                21