Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 9 17.  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)
 09/18/2020   07:23:13   (   0.04,-137.19) (  -0.10,-137.98)   89.06                80
 09/20/2020   07:13:42   (   0.04,-137.18) (   0.51,-135.02)  246.20                80
 09/20/2020   19:32:17   (  -0.04,-137.18) (   0.57,-140.18)  340.21                80
 09/22/2020   19:20:06   (  -0.04,-137.16) (  -0.04,-137.22)    6.01                80
 09/24/2020   19:10:35   (  -0.03,-137.14) (  -0.65,-134.26)  327.73                80
 09/25/2020   07:29:19   (   0.03,-137.13) (  -0.47,-139.45)  263.59                80
 09/27/2020   07:17:08   (   0.03,-137.10) (   0.14,-136.49)   69.65                80
 09/29/2020   07:04:57   (   0.02,-137.07) (   0.76,-133.53)  402.65                80
 09/29/2020   19:26:13   (  -0.02,-137.07) (   0.33,-138.69)  184.32                80