Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 5 25.  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)
 05/27/2022   13:39:05   (  71.90, -25.76) 05/27/2022   13:39:28  (  71.90, -25.72)    1.28                23
 05/27/2022   14:29:48   ( -71.79, 141.77) 05/27/2022   14:28:58  ( -71.77, 141.71)    2.53                50
 05/30/2022   05:06:09   ( -71.87, -77.44) 05/30/2022   05:06:31  ( -71.87, -77.52)    2.81                22
 05/30/2022   05:56:54   (  71.81,  89.98) 05/30/2022   05:55:58  (  71.78,  89.96)    3.59                56
 06/01/2022   19:42:45   ( -72.72,  61.82) 06/01/2022   19:43:51  ( -72.64,  64.49)   88.79                66
 06/01/2022   20:33:15   (  71.90,-129.25) 06/01/2022   20:33:30  (  71.90,-129.21)    1.49                15
 06/01/2022   21:23:58   ( -71.78,  38.28) 06/01/2022   21:23:00  ( -71.79,  38.23)    1.84                58
 06/04/2022   11:09:46   (  72.51,  10.51) 06/04/2022   11:10:54  (  72.44,  12.37)   62.74                68
 06/04/2022   12:00:19   ( -71.88, 179.04) 06/04/2022   12:00:32  ( -71.90, 179.03)    1.79                13
 06/04/2022   12:51:03   (  71.77, -13.44) 06/04/2022   12:49:59  (  71.80, -13.50)    3.30                64
 06/07/2022   02:36:47   ( -72.39, -41.01) 06/07/2022   02:37:57  ( -72.31, -39.63)   47.69                70
 06/07/2022   03:27:23   (  71.88, 127.30) 06/07/2022   03:27:30  (  71.88, 127.26)    1.48                 7
 06/07/2022   04:18:07   ( -71.82, -65.27) 06/07/2022   04:16:59  ( -71.82, -65.20)    2.62                68