Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 2 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)
 02/29/2020   22:05:56   (  70.50,-154.71) 02/29/2020   22:06:44  (  70.48,-154.78)    3.36                48
 02/29/2020   22:56:38   ( -70.41,  12.75) 02/29/2020   22:56:13  ( -70.42,  12.77)    0.79                25
 03/03/2020   14:22:21   (  70.52, -38.85) 03/03/2020   14:23:11  (  70.54, -38.81)    1.93                50
 03/03/2020   15:13:03   ( -70.43, 128.62) 03/03/2020   15:12:41  ( -70.42, 128.66)    1.82                22
 03/03/2020   16:03:29   (  69.41, -62.53) 03/03/2020   16:02:23  (  69.49, -65.00)   97.12                66
 03/06/2020   06:38:46   (  70.55,  77.01) 03/06/2020   06:39:39  (  70.54,  77.07)    2.81                53
 03/06/2020   07:29:27   ( -70.40,-115.43) 03/06/2020   07:29:09  ( -70.43,-115.46)    2.78                18
 03/06/2020   08:19:56   (  69.54,  53.18) 03/06/2020   08:18:49  (  69.60,  51.02)   84.03                67
 03/08/2020   22:55:09   (  70.53,-167.05) 03/08/2020   22:56:06  (  70.53,-167.06)    0.46                57
 03/08/2020   23:45:51   ( -70.43,   0.43) 03/08/2020   23:45:36  ( -70.42,   0.42)    0.65                15
 03/09/2020   00:36:22   (  69.68, 168.89) 03/09/2020   00:35:14  (  69.71, 167.05)   71.08                68
 03/11/2020   15:11:33   (  70.51, -51.11) 03/11/2020   15:12:34  (  70.52, -51.19)    3.50                61
 03/11/2020   16:02:16   ( -70.45, 116.29) 03/11/2020   16:02:03  ( -70.47, 116.37)    3.51                13
 03/11/2020   16:52:49   (  69.82, -75.41) 03/11/2020   16:51:39  (  69.86, -76.86)   55.65                70