Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 9 29.  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)
 10/01/2022   10:27:15   ( -72.61,-157.95) 10/01/2022   10:28:25  ( -72.53,-156.75)   41.17                70
 10/01/2022   11:17:52   (  72.15,  10.28) 10/01/2022   11:17:57  (  72.17,  10.24)    2.67                 5
 10/01/2022   12:08:36   ( -72.09, 177.71) 10/01/2022   12:07:26  ( -72.11, 177.76)    2.62                70
 10/04/2022   01:54:16   (  72.54, 150.46) 10/04/2022   01:55:27  (  72.44, 151.34)   31.67                71
 10/04/2022   02:44:54   ( -72.18, -41.50) 10/04/2022   02:45:00  ( -72.17, -41.53)    1.55                 6
 10/04/2022   03:35:38   (  72.07, 126.02) 10/04/2022   03:34:27  (  72.07, 125.95)    2.48                71
 10/06/2022   17:21:18   ( -72.57,  98.67) 10/06/2022   17:22:29  ( -72.47,  99.64)   34.17                71
 10/06/2022   18:11:56   (  72.16, -93.20) 10/06/2022   18:12:00  (  72.16, -93.28)    2.83                 4
 10/06/2022   19:02:40   ( -72.10,  74.23) 10/06/2022   19:01:29  ( -72.10,  74.25)    0.72                71
 10/09/2022   08:48:19   (  72.51,  47.06) 10/09/2022   08:49:30  (  72.40,  47.76)   26.22                71
 10/09/2022   09:38:58   ( -72.19,-144.99) 10/09/2022   09:39:02  ( -72.18,-145.00)    1.24                 4
 10/09/2022   10:29:42   (  72.09,  22.52) 10/09/2022   10:28:29  (  72.08,  22.46)    2.36                73
 10/12/2022   00:15:19   ( -72.50,  -4.63) 10/12/2022   00:16:31  ( -72.41,  -3.99)   23.86                72
 10/12/2022   01:05:59   (  72.18, 163.29) 10/12/2022   01:06:00  (  72.20, 163.27)    1.33                 1