Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 4 29.  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)
 04/29/2020   07:10:13   (  -0.03,-137.20) (   0.42,-135.01)  248.95                80
 04/29/2020   19:31:28   (   0.03,-137.20) (   0.69,-140.16)  337.26                80
 05/01/2020   19:19:16   (   0.03,-137.20) (   0.03,-137.21)    1.72                80
 05/03/2020   19:09:44   (   0.02,-137.19) (  -0.62,-134.27)  333.64                80
 05/04/2020   07:31:08   (  -0.02,-137.19) (  -0.48,-139.46)  257.30                80
 05/06/2020   07:16:15   (  -0.02,-137.18) (   0.12,-136.50)   77.41                80
 05/08/2020   07:04:02   (  -0.02,-137.16) (   0.73,-133.54)  411.37                80
 05/08/2020   19:25:17   (   0.02,-137.15) (   0.32,-138.70)  175.67                80
 05/10/2020   19:15:44   (   0.01,-137.13) (  -0.28,-135.74)  157.36                80
 05/11/2020   07:37:08   (  -0.01,-137.12) (  -0.81,-140.94)  433.92                80
 05/12/2020   19:03:32   (   0.00,-137.09) (  -0.89,-132.78)  489.91                80