Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 7 18.  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)
 07/18/2019   19:19:46   (  -0.00,-137.20) (  -0.01,-137.19)    0.75                80
 07/20/2019   19:10:15   (  -0.01,-137.19) (  -0.64,-134.24)  335.98                80
 07/21/2019   07:31:39   (   0.00,-137.18) (  -0.48,-139.42)  255.28                80
 07/23/2019   07:16:48   (   0.01,-137.17) (   0.15,-136.47)   79.48                80
 07/25/2019   07:04:37   (   0.01,-137.15) (   0.79,-133.51)  413.68                80
 07/25/2019   19:25:52   (  -0.00,-137.15) (   0.34,-138.66)  172.56                80
 07/27/2019   19:16:21   (  -0.00,-137.12) (  -0.29,-135.70)  160.67                80
 07/28/2019   07:37:44   (  -0.00,-137.10) (  -0.82,-140.89)  430.75                80
 07/29/2019   19:04:10   (  -0.01,-137.08) (  -0.93,-132.74)  492.84                80
 07/30/2019   07:25:34   (   0.00,-137.06) (  -0.18,-137.93)   98.85                80