Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 4.  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)
 07/06/2022   04:34:38   (  72.44, 109.72) 07/06/2022   04:35:48  (  72.34, 111.02)   45.07                70
 07/06/2022   05:25:13   ( -71.97, -82.06) 07/06/2022   05:25:23  ( -71.95, -82.04)    2.36                10
 07/06/2022   06:15:58   (  71.86,  85.47) 07/06/2022   06:14:50  (  71.86,  85.45)    0.93                68
 07/08/2022   20:01:41   ( -72.45,  57.95) 07/08/2022   20:02:51  ( -72.37,  59.32)   46.86                70
 07/08/2022   20:52:19   (  71.98,-133.82) 07/08/2022   20:52:24  (  71.96,-133.78)    2.92                 5
 07/08/2022   21:43:01   ( -71.88,  33.70) 07/08/2022   21:41:53  ( -71.90,  33.74)    2.82                68
 07/11/2022   11:28:43   (  72.31,   6.48) 07/11/2022   11:29:54  (  72.21,   7.26)   28.91                71
 07/11/2022   12:19:20   ( -71.95, 174.50) 07/11/2022   12:19:27  ( -71.93, 174.42)    3.51                 7
 07/11/2022   13:10:06   (  71.89, -18.07) 07/11/2022   13:08:53  (  71.89, -18.02)    1.74                73
 07/14/2022   02:55:46   ( -72.33, -45.29) 07/14/2022   02:56:57  ( -72.23, -44.45)   30.57                71
 07/14/2022   03:46:26   (  71.96, 122.73) 07/14/2022   03:46:27  (  71.97, 122.73)    0.73                 1
 07/14/2022   04:37:08   ( -71.86, -69.75) 07/14/2022   04:35:57  ( -71.86, -69.83)    2.74                71
 07/16/2022   18:22:48   (  72.14, -96.67) 07/16/2022   18:24:00  (  72.09, -96.44)    9.46                72
 07/16/2022   19:13:29   ( -71.98,  70.95) 07/16/2022   19:13:30  ( -71.99,  71.00)    1.81                 1
 07/16/2022   20:04:11   (  71.72,-121.24) 07/16/2022   20:02:59  (  71.78,-121.72)   18.12                72