Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 1 28.  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   (  71.63, -74.14) 01/28/2022   16:51:22  (  71.63, -74.14)    0.58                37
 01/28/2022   17:41:28   ( -71.52,  93.38) 01/28/2022   17:40:52  ( -71.50,  93.29)    3.56                36
 01/31/2022   08:17:54   ( -71.63,-125.91) 01/31/2022   08:18:26  ( -71.62,-125.92)    1.84                32
 01/31/2022   09:08:38   (  71.52,  41.61) 01/31/2022   09:07:53  (  71.53,  41.57)    2.02                45
 02/02/2022   23:45:03   (  71.63,-177.68) 02/02/2022   23:45:26  (  71.63,-177.66)    0.74                23
 02/03/2022   00:35:46   ( -71.52, -10.17) 02/03/2022   00:34:56  ( -71.52, -10.22)    1.92                50
 02/05/2022   14:21:42   (  72.42, -38.27) 02/05/2022   14:22:49  (  72.32, -35.86)   81.83                67
 02/05/2022   15:12:12   ( -71.64, 130.53) 02/05/2022   15:12:30  ( -71.62, 130.55)    3.05                18
 02/05/2022   16:02:56   (  71.52, -61.94) 02/05/2022   16:01:57  (  71.52, -61.97)    1.28                59
 02/08/2022   05:48:47   ( -72.23, -89.65) 02/08/2022   05:49:56  ( -72.14, -87.95)   58.74                69
 02/08/2022   06:39:21   (  71.59,  78.86) 02/08/2022   06:39:31  (  71.61,  78.78)    3.38                10
 02/08/2022   07:30:05   ( -71.54,-113.73) 02/08/2022   07:29:00  ( -71.55,-113.68)    2.57                65
 02/10/2022   21:15:51   (  71.92,-140.83) 02/10/2022   21:17:03  (  71.80,-140.29)   22.89                72
 02/10/2022   22:06:30   ( -71.61,  27.05) 02/10/2022   22:06:34  ( -71.64,  27.06)    3.18                 4
 02/10/2022   22:57:14   (  71.48,-165.41) 02/10/2022   22:56:02  (  71.48,-165.55)    5.14                72