Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 8 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)
 08/03/2020   09:19:38   (  70.62,  37.05) 08/03/2020   09:20:20  (  70.61,  37.10)    2.26                42
 08/03/2020   10:10:19   ( -70.48,-155.40) 08/03/2020   10:09:50  ( -70.49,-155.43)    2.36                29
 08/06/2020   01:36:01   (  70.62, 152.97) 08/06/2020   01:36:50  (  70.59, 152.95)    3.28                49
 08/06/2020   02:26:43   ( -70.53, -39.57) 08/06/2020   02:26:19  ( -70.53, -39.50)    2.76                24
 08/08/2020   17:52:24   (  70.62, -91.12) 08/08/2020   17:53:19  (  70.62, -91.12)    0.30                55
 08/08/2020   18:43:06   ( -70.52,  76.35) 08/08/2020   18:42:49  ( -70.51,  76.36)    1.44                17
 08/08/2020   19:33:36   (  69.72,-115.10) 08/08/2020   19:32:28  (  69.74,-117.10)   77.19                68
 08/11/2020   10:08:46   (  70.62,  24.79) 08/11/2020   10:09:47  (  70.65,  24.81)    3.52                61
 08/11/2020   10:59:28   ( -70.52,-167.74) 08/11/2020   10:59:17  ( -70.54,-167.71)    2.42                11
 08/11/2020   11:50:02   (  69.93,   0.50) 08/11/2020   11:48:52  (  69.99,  -0.87)   52.65                70
 08/14/2020   02:25:09   (  70.62, 140.71) 08/14/2020   02:26:17  (  70.62, 140.65)    2.15                68
 08/14/2020   03:15:51   ( -70.53, -51.83) 08/14/2020   03:15:47  ( -70.52, -51.87)    1.57                 4
 08/14/2020   04:06:29   (  70.14, 116.09) 08/14/2020   04:05:18  (  70.19, 115.29)   30.64                71
 08/16/2020   18:41:34   (  70.72,-103.56) 08/16/2020   18:42:45  (  70.70,-103.35)    8.08                71
 08/16/2020   19:32:14   ( -70.53,  64.08) 08/16/2020   19:32:16  ( -70.55,  64.06)    2.15                 2
 08/16/2020   20:22:56   (  70.35,-128.33) 08/16/2020   20:21:44  (  70.37,-128.55)    8.69                72