Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 9 10.  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)
 09/12/2023   06:07:32   ( -73.36, -90.25) 09/12/2023   06:07:59  ( -73.35, -90.19)    2.28                27
 09/12/2023   06:58:17   (  73.29,  77.22) 09/12/2023   06:57:26  (  73.27,  77.28)    3.07                51
 09/14/2023   21:34:38   (  73.35,-141.96) 09/14/2023   21:35:02  (  73.34,-141.97)    1.32                24
 09/14/2023   22:25:22   ( -73.30,  25.47) 09/14/2023   22:24:31  ( -73.27,  25.53)    3.27                51
 09/17/2023   13:01:43   ( -73.36, 166.29) 09/17/2023   13:02:06  ( -73.38, 166.34)    2.34                23
 09/17/2023   13:52:28   (  73.30, -26.27) 09/17/2023   13:51:33  (  73.29, -26.20)    2.73                55
 09/20/2023   04:28:49   (  73.38, 114.51) 09/20/2023   04:29:08  (  73.36, 114.55)    2.32                19
 09/20/2023   05:19:33   ( -73.32, -78.03) 09/20/2023   05:18:37  ( -73.30, -77.94)    3.39                56
 09/22/2023   19:55:52   ( -73.35,  62.86) 09/22/2023   19:56:11  ( -73.35,  62.78)    2.83                19
 09/22/2023   20:46:37   (  73.30,-129.72) 09/22/2023   20:45:37  (  73.31,-129.67)    2.41                60