Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2023 4 25.  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)
 04/27/2023   21:08:54   (  72.96,-136.69) 04/27/2023   21:09:53  (  72.98,-136.67)    2.30                59
 04/27/2023   21:59:37   ( -72.89,  30.78) 04/27/2023   21:59:22  ( -72.92,  30.84)    3.21                15
 04/27/2023   22:50:08   (  72.08,-160.25) 04/27/2023   22:49:02  (  72.13,-162.98)   93.46                66
 04/30/2023   12:36:00   ( -72.95, 171.61) 04/30/2023   12:36:56  ( -72.96, 171.51)    3.57                56
 04/30/2023   13:26:46   (  72.90, -20.98) 04/30/2023   13:26:22  (  72.92, -20.92)    2.59                24
 05/03/2023   04:03:08   (  72.98, 119.80) 05/03/2023   04:03:54  (  72.97, 119.79)    0.70                46
 05/03/2023   04:53:51   ( -72.89, -72.70) 05/03/2023   04:53:23  ( -72.91, -72.70)    2.00                28
 05/05/2023   19:30:14   ( -72.98,  68.06) 05/05/2023   19:30:55  ( -72.99,  68.06)    1.28                41
 05/05/2023   20:20:59   (  72.90,-124.46) 05/05/2023   20:20:22  (  72.89,-124.49)    1.49                37
 05/08/2023   10:57:22   (  73.00,  16.26) 05/08/2023   10:57:53  (  72.98,  16.30)    2.45                31
 05/08/2023   11:48:05   ( -72.91,-176.22) 05/08/2023   11:47:22  ( -72.93,-176.18)    2.53                43