Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 1 27.  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)
 01/28/2022   16:50:45   (  71.64, -74.15) 01/28/2022   16:51:21  (  71.64, -74.12)    1.26                36
 01/28/2022   17:41:28   ( -71.52,  93.37) 01/28/2022   17:40:51  ( -71.52,  93.31)    2.07                37
 01/31/2022   08:17:54   ( -71.64,-125.93) 01/31/2022   08:18:23  ( -71.65,-125.85)    2.84                29
 01/31/2022   09:08:38   (  71.52,  41.60) 01/31/2022   09:07:51  (  71.51,  41.54)    2.68                47
 02/02/2022   23:45:04   (  71.64,-177.70) 02/02/2022   23:45:23  (  71.63,-177.64)    2.24                19
 02/03/2022   00:35:47   ( -71.53, -10.18) 02/03/2022   00:34:53  ( -71.52, -10.20)    1.61                54
 02/05/2022   14:21:38   (  72.22, -37.88) 02/05/2022   14:22:47  (  72.13, -36.17)   59.07                69
 02/05/2022   15:12:11   ( -71.60, 130.61) 02/05/2022   15:12:25  ( -71.59, 130.52)    3.43                14
 02/05/2022   16:02:56   (  71.53, -61.96) 02/05/2022   16:01:51  (  71.54, -61.91)    1.96                65
 02/08/2022   05:48:42   ( -71.98, -89.18) 02/08/2022   05:49:53  ( -71.92, -88.31)   30.98                71
 02/08/2022   06:39:21   (  71.60,  78.83) 02/08/2022   06:39:24  (  71.60,  78.80)    1.23                 3
 02/08/2022   07:30:05   ( -71.55,-113.75) 02/08/2022   07:28:53  ( -71.55,-113.66)    3.21                72