Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 4 22.  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)
 04/22/2019   19:15:47   (   0.02,-137.22) (  -0.28,-135.72)  170.27                80
 04/23/2019   07:37:12   (   0.01,-137.18) (  -0.77,-140.92)  425.41                80
 04/25/2019   07:25:00   (   0.02,-137.17) (  -0.13,-137.97)   90.43                80
 04/27/2019   07:10:07   (   0.03,-137.16) (   0.46,-135.01)  244.38                80
 04/27/2019   19:31:23   (  -0.03,-137.20) (   0.58,-140.17)  338.16                80
 04/29/2019   19:19:10   (  -0.03,-137.18) (  -0.01,-137.21)    4.16                80
 05/01/2019   19:09:38   (  -0.03,-137.16) (  -0.66,-134.26)  330.51                80
 05/02/2019   07:31:01   (   0.03,-137.12) (  -0.44,-139.45)  264.14                80
 05/04/2019   07:16:08   (   0.02,-137.10) (   0.16,-136.49)   69.21                80