Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 12 31.  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)
 01/01/2023   19:06:30   ( -72.51,  73.41) 01/01/2023   19:07:22  ( -72.50,  73.40)    0.67                52
 01/01/2023   19:57:15   (  72.42,-119.10) 01/01/2023   19:56:49  (  72.41,-119.13)    1.19                26
 01/04/2023   10:33:48   (  72.50,  21.63) 01/04/2023   10:34:22  (  72.50,  21.64)    0.31                34
 01/04/2023   11:24:31   ( -72.40,-170.85) 01/04/2023   11:23:52  ( -72.39,-170.94)    3.25                39
 01/07/2023   02:01:05   ( -72.48, -30.12) 01/07/2023   02:01:25  ( -72.51, -30.11)    3.55                20
 01/07/2023   02:51:50   (  72.40, 137.35) 01/07/2023   02:50:52  (  72.41, 137.35)    1.26                58
 01/09/2023   16:37:45   ( -72.87, 109.96) 01/09/2023   16:38:56  ( -72.72, 110.88)   34.62                71
 01/09/2023   17:28:24   (  72.50, -81.95) 01/09/2023   17:28:25  (  72.51, -81.86)    3.16                 1
 01/09/2023   18:19:07   ( -72.38,  85.60) 01/09/2023   18:17:55  ( -72.40,  85.57)    2.52                72
 01/12/2023   08:04:57   (  72.54,  58.85) 01/12/2023   08:05:59  (  72.53,  58.78)    2.76                62
 01/12/2023   08:55:41   ( -72.47,-133.70) 01/12/2023   08:55:28  ( -72.48,-133.68)    0.45                13