Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 6 3.  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)
 06/03/2023   20:37:52   ( -73.07,  51.35) 06/03/2023   20:38:48  ( -73.08,  51.44)    2.99                56
 06/03/2023   21:28:36   (  72.96,-141.09) 06/03/2023   21:28:16  (  72.95,-141.19)    3.39                20
 06/06/2023   12:05:03   (  73.06,  -0.37) 06/06/2023   12:05:52  (  73.08,  -0.34)    2.61                49
 06/06/2023   12:55:47   ( -72.99, 167.09) 06/06/2023   12:55:22  ( -72.96, 167.06)    3.31                25
 06/09/2023   03:32:13   ( -73.09, -52.20) 06/09/2023   03:32:57  ( -73.08, -52.11)    3.36                44
 06/09/2023   04:22:57   (  72.98, 115.34) 06/09/2023   04:22:24  (  72.99, 115.36)    0.65                33
 06/11/2023   18:59:23   (  73.04,-103.85) 06/11/2023   19:00:01  (  73.03,-103.96)    3.57                38
 06/11/2023   19:50:07   ( -72.97,  63.61) 06/11/2023   19:49:30  ( -72.97,  63.56)    1.69                37
 06/14/2023   10:26:34   ( -73.09,-155.70) 06/14/2023   10:27:06  ( -73.06,-155.67)    3.41                32
 06/14/2023   11:17:18   (  72.98,  11.84) 06/14/2023   11:16:33  (  72.96,  11.78)    2.93                45
 06/17/2023   01:53:44   (  73.05, 152.62) 06/17/2023   01:54:08  (  73.08, 152.62)    2.93                24