Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 8.  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)
 12/09/2022   01:42:13   (  72.42, 154.38) 12/09/2022   01:43:01  (  72.43, 154.38)    0.48                48
 12/09/2022   02:32:56   ( -72.36, -38.17) 12/09/2022   02:32:30  ( -72.36, -38.12)    1.87                26
 12/11/2022   17:09:31   ( -72.43, 102.57) 12/11/2022   17:10:04  ( -72.40, 102.57)    3.01                33
 12/11/2022   18:00:16   (  72.31, -89.88) 12/11/2022   17:59:31  (  72.31, -89.95)    2.28                45
 12/14/2022   07:46:19   ( -73.16,-118.09) 12/14/2022   07:47:26  ( -73.06,-115.56)   82.22                67
 12/14/2022   08:36:51   (  72.39,  50.84) 12/14/2022   08:37:04  (  72.39,  50.79)    1.98                13
 12/14/2022   09:27:34   ( -72.32,-141.69) 12/14/2022   09:26:33  ( -72.32,-141.69)    0.49                61
 12/16/2022   23:13:26   (  72.48,-168.45) 12/16/2022   23:14:36  (  72.49,-168.41)    1.73                70
 12/17/2022   00:04:09   ( -72.40,  -0.97) 12/17/2022   00:04:06  ( -72.38,  -0.98)    2.52                 3
 12/17/2022   00:54:48   (  71.99, 167.16) 12/17/2022   00:53:37  (  72.07, 166.10)   37.29                71
 12/19/2022   14:40:43   ( -72.49, 139.75) 12/19/2022   14:41:37  ( -72.47, 139.79)    2.73                54
 12/19/2022   15:31:28   (  72.39, -52.74) 12/19/2022   15:31:04  (  72.37, -52.75)    2.29                24