Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 28.  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)
 12/30/2022   03:39:13   (  72.53, 125.15) 12/30/2022   03:40:18  (  72.50, 125.16)    3.58                65
 12/30/2022   04:29:56   ( -72.44, -67.34) 12/30/2022   04:29:47  ( -72.44, -67.32)    0.62                 9
 12/30/2022   05:20:31   (  71.83, 101.15) 12/30/2022   05:19:22  (  71.92,  99.39)   61.65                69
 01/01/2023   19:06:30   ( -72.51,  73.41) 01/01/2023   19:07:22  ( -72.50,  73.40)    0.68                52
 01/01/2023   19:57:15   (  72.42,-119.10) 01/01/2023   19:56:49  (  72.41,-119.13)    1.69                26
 01/04/2023   10:33:48   (  72.50,  21.63) 01/04/2023   10:34:22  (  72.50,  21.64)    0.78                34
 01/04/2023   11:24:31   ( -72.39,-170.84) 01/04/2023   11:23:52  ( -72.39,-170.93)    2.95                39
 01/07/2023   02:01:05   ( -72.47, -30.10) 01/07/2023   02:01:26  ( -72.47, -30.18)    2.57                21
 01/07/2023   02:51:50   (  72.39, 137.36) 01/07/2023   02:50:52  (  72.43, 137.38)    3.52                58
 01/09/2023   16:37:45   ( -72.86, 109.99) 01/09/2023   16:38:56  ( -72.75, 110.94)   33.45                71
 01/09/2023   17:28:24   (  72.48, -81.92) 01/09/2023   17:28:26  (  72.48, -81.91)    0.43                 2