Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 5 3.  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)
 05/03/2023   04:03:09   (  72.97, 119.80) 05/03/2023   04:03:55  (  72.95, 119.74)    3.22                46
 05/03/2023   04:53:52   ( -72.89, -72.71) 05/03/2023   04:53:24  ( -72.88, -72.76)    2.27                28
 05/05/2023   19:30:16   ( -73.00,  68.00) 05/05/2023   19:30:56  ( -72.98,  68.04)    2.71                40
 05/05/2023   20:21:01   (  72.92,-124.51) 05/05/2023   20:20:23  (  72.89,-124.50)    3.18                38
 05/08/2023   10:57:24   (  72.99,  16.27) 05/08/2023   10:57:55  (  72.96,  16.25)    3.45                31
 05/08/2023   11:48:07   ( -72.90,-176.21) 05/08/2023   11:47:24  ( -72.90,-176.24)    0.99                43
 05/11/2023   02:24:29   ( -72.98, -35.44) 05/11/2023   02:24:54  ( -73.00, -35.43)    2.84                25
 05/11/2023   03:15:14   (  72.91, 132.03) 05/11/2023   03:14:21  (  72.91, 132.03)    0.06                53
 05/13/2023   17:51:37   (  73.00, -87.23) 05/13/2023   17:51:52  (  72.99, -87.21)    1.89                15
 05/13/2023   18:42:20   ( -72.90,  80.31) 05/13/2023   18:41:21  ( -72.93,  80.31)    3.43                59
 05/16/2023   08:28:08   (  73.51,  52.58) 05/16/2023   08:29:17  (  73.36,  54.15)   52.50                69
 05/16/2023   09:18:43   ( -73.00,-138.95) 05/16/2023   09:18:52  ( -72.99,-138.97)    1.11                 9
 05/16/2023   10:09:28   (  72.94,  28.48) 05/16/2023   10:08:18  (  72.94,  28.58)    3.23                70