Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 1 21.  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)
 01/23/2022   09:56:26   (  71.64,  29.38) 01/23/2022   09:57:19  (  71.62,  29.38)    1.78                53
 01/23/2022   10:47:10   ( -71.57,-163.18) 01/23/2022   10:46:48  ( -71.56,-163.10)    3.11                22
 01/26/2022   01:23:35   ( -71.63, -22.37) 01/26/2022   01:24:21  ( -71.65, -22.34)    2.77                46
 01/26/2022   02:14:19   (  71.52, 145.14) 01/26/2022   02:13:49  (  71.51, 145.06)    3.39                30
 01/28/2022   16:50:45   (  71.64, -74.15) 01/28/2022   16:51:21  (  71.65, -74.10)    1.92                36
 01/28/2022   17:41:28   ( -71.52,  93.38) 01/28/2022   17:40:51  ( -71.53,  93.34)    2.29                37
 01/31/2022   08:17:54   ( -71.63,-125.91) 01/31/2022   08:18:24  ( -71.61,-125.92)    2.51                30
 01/31/2022   09:08:38   (  71.52,  41.60) 01/31/2022   09:07:51  (  71.51,  41.55)    2.07                47
 02/02/2022   23:45:03   (  71.64,-177.70) 02/02/2022   23:45:22  (  71.64,-177.63)    2.37                19
 02/03/2022   00:35:46   ( -71.52, -10.17) 02/03/2022   00:34:52  ( -71.52, -10.18)    0.43                54