Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 11 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)
 11/04/2019   00:22:11   (  70.46, 171.21) 11/04/2019   00:23:08  (  70.44, 171.22)    3.13                57
 11/04/2019   01:12:53   ( -70.37, -21.32) 11/04/2019   01:12:37  ( -70.37, -21.24)    2.99                16
 11/04/2019   02:03:24   (  69.61, 147.14) 11/04/2019   02:02:15  (  69.67, 145.41)   67.31                69
 11/06/2019   16:38:37   (  70.47, -72.91) 11/06/2019   16:39:36  (  70.48, -72.84)    2.45                59
 11/06/2019   17:29:19   ( -70.37,  94.57) 11/06/2019   17:29:06  ( -70.36,  94.62)    2.33                13
 11/06/2019   18:19:52   (  69.73, -97.14) 11/06/2019   18:18:42  (  69.76, -98.58)   55.75                70
 11/09/2019   08:55:02   (  70.43,  43.05) 11/09/2019   08:56:05  (  70.45,  43.01)    3.03                63
 11/09/2019   09:45:44   ( -70.33,-149.47) 11/09/2019   09:45:35  ( -70.34,-149.52)    2.86                 9
 11/09/2019   10:36:19   (  69.79,  18.66) 11/09/2019   10:35:09  (  69.85,  17.43)   47.97                70
 11/12/2019   01:11:27   (  70.44, 158.93) 11/12/2019   01:12:33  (  70.43, 158.85)    3.08                66
 11/12/2019   02:02:10   ( -70.39, -33.67) 11/12/2019   02:02:02  ( -70.38, -33.59)    3.14                 8
 11/12/2019   02:52:46   (  69.91, 134.38) 11/12/2019   02:51:35  (  69.94, 133.43)   36.57                71
 11/14/2019   17:27:53   (  70.46, -85.20) 11/14/2019   17:29:01  (  70.45, -85.23)    0.98                68
 11/14/2019   18:18:35   ( -70.34,  82.29) 11/14/2019   18:18:31  ( -70.35,  82.25)    1.56                 4
 11/14/2019   19:09:13   (  69.97,-109.83) 11/14/2019   19:08:01  (  70.07,-110.50)   27.96                72