Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 10 6.  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)
 10/08/2023   15:47:43   (  74.01, -56.40) 10/08/2023   15:48:51  (  73.90, -54.26)   66.81                68
 10/08/2023   16:38:16   ( -73.40, 112.37) 10/08/2023   16:38:28  ( -73.42, 112.33)    2.35                12
 10/08/2023   17:29:01   (  73.35, -80.20) 10/08/2023   17:27:55  (  73.33, -80.20)    1.79                66
 10/11/2023   07:14:47   ( -74.07,-108.28) 10/11/2023   07:15:54  ( -74.00,-105.80)   76.09                67
 10/11/2023   08:05:20   (  73.43,  60.58) 10/11/2023   08:05:30  (  73.45,  60.64)    2.73                10
 10/11/2023   08:56:04   ( -73.36,-131.96) 10/11/2023   08:55:00  ( -73.33,-131.97)    3.58                64
 10/13/2023   22:41:50   (  74.07,-160.00) 10/13/2023   22:42:57  (  73.94,-157.69)   71.98                67
 10/13/2023   23:32:23   ( -73.46,   8.79) 10/13/2023   23:32:34  ( -73.46,   8.90)    3.42                11
 10/14/2023   00:23:07   (  73.36, 176.33) 10/14/2023   00:22:01  (  73.37, 176.35)    1.29                66
 10/16/2023   14:08:52   ( -74.11, 148.18) 10/16/2023   14:09:59  ( -73.97, 150.60)   75.63                67
 10/16/2023   14:59:25   (  73.47, -42.96) 10/16/2023   14:59:34  (  73.46, -42.86)    3.59                 9
 10/16/2023   15:50:08   ( -73.36, 124.62) 10/16/2023   15:49:04  ( -73.35, 124.54)    2.82                64
 10/19/2023   05:35:52   (  73.99,  96.75) 10/19/2023   05:37:00  (  73.92,  98.75)   61.92                68
 10/19/2023   06:26:26   ( -73.43, -94.58) 10/19/2023   06:26:37  ( -73.45, -94.64)    2.53                11