Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 2 14.  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)
 02/15/2023   15:17:55   ( -72.68, 130.74) 02/15/2023   15:18:29  ( -72.67, 130.84)    3.08                34
 02/15/2023   16:08:39   (  72.55, -61.69) 02/15/2023   16:07:56  (  72.59, -61.68)    3.66                43
 02/18/2023   06:45:09   (  72.66,  79.01) 02/18/2023   06:45:27  (  72.65,  79.04)    1.67                18
 02/18/2023   07:35:52   ( -72.55,-113.46) 02/18/2023   07:34:56  ( -72.58,-113.45)    3.08                56
 02/20/2023   21:21:44   (  72.98,-140.76) 02/20/2023   21:22:55  (  72.87,-139.92)   30.08                71
 02/20/2023   22:12:22   ( -72.62,  27.31) 02/20/2023   22:12:27  ( -72.65,  27.28)    3.02                 5
 02/20/2023   23:03:07   (  72.55,-165.22) 02/20/2023   23:01:54  (  72.55,-165.25)    1.15                73
 02/23/2023   12:48:52   ( -72.70, 168.05) 02/23/2023   12:49:57  ( -72.72, 168.03)    1.70                65
 02/23/2023   13:39:37   (  72.63, -24.48) 02/23/2023   13:39:24  (  72.62, -24.50)    1.08                13
 02/23/2023   14:30:11   ( -72.07, 143.96) 02/23/2023   14:29:02  ( -72.08, 142.14)   62.54                69
 02/26/2023   04:16:07   (  72.72, 116.24) 02/26/2023   04:16:53  (  72.69, 116.25)    3.38                46
 02/26/2023   05:06:50   ( -72.62, -76.23) 02/26/2023   05:06:22  ( -72.63, -76.24)    1.09                28