Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 7 5.  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, 109.71) 07/06/2022   04:35:48  (  72.34, 111.01)   45.30                70
 07/06/2022   05:25:12   ( -71.93, -81.97) 07/06/2022   05:25:23  ( -71.95, -82.05)    3.46                11
 07/06/2022   06:15:58   (  71.86,  85.46) 07/06/2022   06:14:50  (  71.86,  85.44)    0.89                68
 07/08/2022   20:01:41   ( -72.46,  57.94) 07/08/2022   20:02:51  ( -72.37,  59.30)   47.11                70
 07/08/2022   20:52:18   (  71.93,-133.73) 07/08/2022   20:52:24  (  71.95,-133.79)    2.97                 6
 07/08/2022   21:43:01   ( -71.88,  33.69) 07/08/2022   21:41:53  ( -71.89,  33.73)    1.91                68
 07/11/2022   11:28:43   (  72.32,   6.47) 07/11/2022   11:29:54  (  72.20,   7.25)   29.32                71
 07/11/2022   12:19:20   ( -71.96, 174.49) 07/11/2022   12:19:26  ( -71.98, 174.50)    2.77                 6
 07/11/2022   13:10:06   (  71.89, -18.08) 07/11/2022   13:08:53  (  71.88, -18.03)    1.81                73
 07/14/2022   02:55:46   ( -72.34, -45.30) 07/14/2022   02:56:57  ( -72.22, -44.47)   31.08                71
 07/14/2022   03:46:26   (  71.97, 122.72) 07/14/2022   03:46:27  (  71.96, 122.71)    0.62                 1
 07/14/2022   04:37:08   ( -71.86, -69.76) 07/14/2022   04:35:57  ( -71.85, -69.84)    2.94                71
 07/16/2022   18:22:48   (  72.15, -96.68) 07/16/2022   18:24:00  (  72.09, -96.46)   10.25                72
 07/16/2022   19:13:29   ( -71.99,  70.94) 07/16/2022   19:13:30  ( -71.98,  70.99)    1.97                 1
 07/16/2022   20:04:11   (  71.72,-121.25) 07/16/2022   20:02:59  (  71.77,-121.73)   17.78                72