Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 10 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)
 11/01/2019   08:05:45   (  70.43,  55.38) 11/01/2019   08:06:40  (  70.43,  55.33)    2.07                55
 11/01/2019   08:56:27   ( -70.33,-137.15) 11/01/2019   08:56:10  ( -70.31,-137.21)    2.97                17
 11/01/2019   09:46:57   (  69.52,  31.38) 11/01/2019   09:45:49  (  69.55,  29.37)   78.36                68
 11/04/2019   00:22:11   (  70.44, 171.26) 11/04/2019   00:23:09  (  70.42, 171.19)    3.00                58
 11/04/2019   01:12:53   ( -70.34, -21.27) 11/04/2019   01:12:38  ( -70.36, -21.26)    2.97                15
 11/04/2019   02:03:24   (  69.58, 147.18) 11/04/2019   02:02:16  (  69.65, 145.39)   70.05                68
 11/06/2019   16:38:36   (  70.45, -72.86) 11/06/2019   16:39:36  (  70.46, -72.86)    1.84                60
 11/06/2019   17:29:18   ( -70.34,  94.62) 11/06/2019   17:29:06  ( -70.35,  94.61)    1.26                12
 11/06/2019   18:19:51   (  69.70, -97.09) 11/06/2019   18:18:42  (  69.75, -98.60)   58.27                69
 11/09/2019   08:55:02   (  70.46,  43.01) 11/09/2019   08:56:05  (  70.45,  42.99)    1.38                63
 11/09/2019   09:45:44   ( -70.35,-149.50) 11/09/2019   09:45:35  ( -70.34,-149.53)    1.57                 9
 11/09/2019   10:36:19   (  69.82,  18.63) 11/09/2019   10:35:09  (  69.84,  17.41)   46.61                70
 11/12/2019   01:11:28   (  70.47, 158.89) 11/12/2019   01:12:33  (  70.48, 158.93)    2.02                65
 11/12/2019   02:02:10   ( -70.36, -33.62) 11/12/2019   02:02:03  ( -70.37, -33.59)    2.17                 7
 11/12/2019   02:52:47   (  69.93, 134.34) 11/12/2019   02:51:35  (  69.99, 133.50)   32.75                72