Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2020 2 12.  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)
 02/13/2020   20:27:29   (  70.46,-130.06) 02/13/2020   20:27:56  (  70.46,-130.06)    0.31                27
 02/13/2020   21:18:10   ( -70.34,  37.45) 02/13/2020   21:17:26  ( -70.35,  37.41)    1.68                44
 02/16/2020   12:43:54   (  70.48, -14.19) 02/16/2020   12:44:25  (  70.48, -14.15)    1.41                31
 02/16/2020   13:34:35   ( -70.35, 153.33) 02/16/2020   13:33:55  ( -70.38, 153.32)    2.37                40
 02/19/2020   05:00:18   (  70.45, 101.76) 02/19/2020   05:00:55  (  70.46, 101.69)    3.27                37
 02/19/2020   05:51:00   ( -70.37, -90.79) 02/19/2020   05:50:25  ( -70.36, -90.83)    1.95                35
 02/21/2020   21:16:43   (  70.47,-142.37) 02/21/2020   21:17:25  (  70.46,-142.45)    3.26                42
 02/21/2020   22:07:25   ( -70.38,  25.09) 02/21/2020   22:06:54  ( -70.41,  25.11)    3.11                31
 02/24/2020   13:33:07   (  70.49, -26.50) 02/24/2020   13:33:53  (  70.52, -26.48)    3.08                46
 02/24/2020   14:23:49   ( -70.40, 140.96) 02/24/2020   14:23:23  ( -70.42, 141.00)    2.61                26