Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 8 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)
 08/03/2020   09:19:38   (  70.61,  37.06) 08/03/2020   09:20:20  (  70.62,  37.12)    2.02                42
 08/03/2020   10:10:20   ( -70.52,-155.47) 08/03/2020   10:09:50  ( -70.50,-155.42)    2.69                30
 08/06/2020   01:36:01   (  70.61, 152.98) 08/06/2020   01:36:50  (  70.59, 152.96)    1.73                49
 08/06/2020   02:26:43   ( -70.52, -39.55) 08/06/2020   02:26:20  ( -70.49, -39.56)    3.50                23
 08/08/2020   17:52:23   (  70.61, -91.10) 08/08/2020   17:53:18  (  70.62, -91.11)    1.99                55
 08/08/2020   18:43:05   ( -70.51,  76.36) 08/08/2020   18:42:48  ( -70.52,  76.37)    0.61                17
 08/08/2020   19:33:35   (  69.71,-115.08) 08/08/2020   19:32:27  (  69.75,-117.09)   77.51                68
 08/11/2020   10:08:46   (  70.60,  24.81) 08/11/2020   10:09:48  (  70.60,  24.73)    3.05                62
 08/11/2020   10:59:28   ( -70.51,-167.72) 08/11/2020   10:59:18  ( -70.50,-167.78)    2.99                10
 08/11/2020   11:50:02   (  69.92,   0.52) 08/11/2020   11:48:52  (  70.00,  -0.86)   53.30                70
 08/14/2020   02:25:09   (  70.60, 140.73) 08/14/2020   02:26:17  (  70.62, 140.65)    3.41                68
 08/14/2020   03:15:51   ( -70.51, -51.81) 08/14/2020   03:15:47  ( -70.52, -51.86)    2.37                 4
 08/14/2020   04:06:29   (  70.13, 116.11) 08/14/2020   04:05:18  (  70.19, 115.29)   31.54                71