Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 04/23/2019   07:37:11   (   0.01,-137.18) (  -0.79,-140.92)  425.67                80
 04/25/2019   07:24:59   (   0.01,-137.17) (  -0.15,-137.97)   90.28                80
 04/27/2019   07:10:06   (   0.01,-137.16) (   0.44,-135.00)  244.67                80
 04/27/2019   19:31:22   (  -0.00,-137.19) (   0.60,-140.17)  337.79                80
 04/29/2019   19:19:09   (  -0.00,-137.18) (   0.01,-137.21)    3.46                80
 05/01/2019   19:09:37   (  -0.00,-137.16) (  -0.64,-134.25)  330.84                80
 05/02/2019   07:31:01   (   0.00,-137.12) (  -0.47,-139.45)  264.02                80
 05/04/2019   07:16:08   (  -0.00,-137.09) (   0.13,-136.48)   69.21                80
 05/06/2019   07:03:55   (  -0.01,-137.06) (   0.73,-133.52)  401.68                80
 05/06/2019   19:25:11   (   0.01,-137.08) (   0.32,-138.69)  182.40                80