Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 2 20.  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)
 02/21/2020   21:16:43   (  70.50,-142.42) 02/21/2020   21:17:20  (  70.47,-142.41)    2.93                37
 02/21/2020   22:07:24   ( -70.37,  25.11) 02/21/2020   22:06:50  ( -70.36,  25.06)    2.14                34
 02/24/2020   13:33:07   (  70.47, -26.47) 02/24/2020   13:33:48  (  70.49, -26.50)    3.17                41
 02/24/2020   14:23:49   ( -70.38, 140.99) 02/24/2020   14:23:18  ( -70.38, 140.97)    0.87                31
 02/27/2020   05:49:32   (  70.49,  89.40) 02/27/2020   05:50:16  (  70.51,  89.40)    2.34                44
 02/27/2020   06:40:14   ( -70.40,-103.13) 02/27/2020   06:39:46  ( -70.40,-103.13)    0.78                28
 02/29/2020   22:05:57   (  70.51,-154.73) 02/29/2020   22:06:44  (  70.53,-154.70)    1.80                47
 02/29/2020   22:56:39   ( -70.41,  12.74) 02/29/2020   22:56:14  ( -70.42,  12.78)    1.42                25
 03/03/2020   14:22:21   (  70.54, -38.87) 03/03/2020   14:23:11  (  70.54, -38.81)    2.21                50
 03/03/2020   15:13:03   ( -70.43, 128.62) 03/03/2020   15:12:41  ( -70.43, 128.67)    2.10                22