Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 11 1.  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)
 11/01/2019   08:05:45   (  70.45,  55.34) 11/01/2019   08:06:39  (  70.45,  55.36)    0.82                54
 11/01/2019   08:56:27   ( -70.36,-137.19) 11/01/2019   08:56:09  ( -70.34,-137.18)    2.51                18
 11/01/2019   09:46:56   (  69.49,  31.42) 11/01/2019   09:45:49  (  69.52,  29.33)   81.61                67
 11/04/2019   00:22:11   (  70.46, 171.22) 11/04/2019   00:23:08  (  70.44, 171.23)    1.69                57
 11/04/2019   01:12:53   ( -70.36, -21.30) 11/04/2019   01:12:38  ( -70.33, -21.31)    3.44                15
 11/04/2019   02:03:24   (  69.61, 147.15) 11/04/2019   02:02:15  (  69.68, 145.42)   67.46                69
 11/06/2019   16:38:37   (  70.47, -72.90) 11/06/2019   16:39:36  (  70.48, -72.83)    3.13                59
 11/06/2019   17:29:19   ( -70.36,  94.58) 11/06/2019   17:29:06  ( -70.37,  94.64)    2.28                13
 11/06/2019   18:19:52   (  69.72, -97.12) 11/06/2019   18:18:42  (  69.77, -98.57)   55.95                70
 11/09/2019   08:55:03   (  70.47,  42.98) 11/09/2019   08:56:05  (  70.46,  43.02)    1.68                62
 11/09/2019   09:45:45   ( -70.37,-149.53) 11/09/2019   09:45:35  ( -70.36,-149.50)    1.55                10
 11/09/2019   10:36:19   (  69.78,  18.68) 11/09/2019   10:35:09  (  69.86,  17.44)   48.49                70
 11/12/2019   01:11:27   (  70.43, 158.95) 11/12/2019   01:12:33  (  70.44, 158.87)    3.27                66
 11/12/2019   02:02:10   ( -70.37, -33.65) 11/12/2019   02:02:02  ( -70.39, -33.57)    3.41                 8
 11/12/2019   02:52:46   (  69.89, 134.40) 11/12/2019   02:51:35  (  69.95, 133.44)   37.18                71
 11/14/2019   17:27:54   (  70.49, -85.26) 11/14/2019   17:29:01  (  70.47, -85.21)    2.86                67
 11/14/2019   18:18:36   ( -70.38,  82.24) 11/14/2019   18:18:31  ( -70.36,  82.27)    1.91                 5
 11/14/2019   19:09:14   (  70.01,-109.88) 11/14/2019   19:08:02  (  70.03,-110.56)   26.05                72