Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2022 1 30.  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)
 01/31/2022   08:17:54   ( -71.66,-125.96) 01/31/2022   08:18:25  ( -71.65,-125.87)    3.51                31
 01/31/2022   09:08:38   (  71.54,  41.57) 01/31/2022   09:07:52  (  71.56,  41.62)    2.82                46
 02/02/2022   23:45:03   (  71.61,-177.64) 02/02/2022   23:45:27  (  71.61,-177.70)    2.31                24
 02/03/2022   00:35:47   ( -71.55, -10.23) 02/03/2022   00:34:56  ( -71.54, -10.18)    2.24                51
 02/05/2022   14:21:43   (  72.45, -38.33) 02/05/2022   14:22:49  (  72.34, -35.81)   85.43                66
 02/05/2022   15:12:12   ( -71.63, 130.56) 02/05/2022   15:12:30  ( -71.64, 130.58)    1.31                18
 02/05/2022   16:02:57   (  71.55, -62.00) 02/05/2022   16:01:57  (  71.54, -61.93)    2.65                60
 02/08/2022   05:48:47   ( -72.27, -89.73) 02/08/2022   05:49:55  ( -72.15, -87.92)   62.81                68
 02/08/2022   06:39:21   (  71.63,  78.79) 02/08/2022   06:39:30  (  71.63,  78.81)    0.93                 9
 02/08/2022   07:30:04   ( -71.53,-113.71) 02/08/2022   07:29:00  ( -71.51,-113.74)    1.92                64
 02/10/2022   21:15:50   (  71.92,-140.82) 02/10/2022   21:17:02  (  71.81,-140.28)   22.21                72
 02/10/2022   22:06:29   ( -71.61,  27.06) 02/10/2022   22:06:34  ( -71.59,  26.99)    3.20                 5
 02/10/2022   22:57:13   (  71.48,-165.40) 02/10/2022   22:56:01  (  71.49,-165.54)    5.11                72