Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 30.  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)
 07/30/2021   07:07:21   (   0.01,-137.20) (   0.77,-133.52)  417.99                80
 07/30/2021   19:25:57   (  -0.02,-137.21) (   0.30,-138.68)  167.07                80
 08/01/2021   19:16:27   (  -0.01,-137.22) (  -0.35,-135.73)  169.67                80
 08/02/2021   07:35:11   (   0.01,-137.21) (  -0.79,-140.91)  421.72                80
 08/04/2021   07:23:01   (  -0.00,-137.20) (  -0.13,-137.96)   85.87                80
 08/06/2021   07:10:50   (  -0.01,-137.19) (   0.46,-135.00)  249.25                80
 08/06/2021   19:32:06   (   0.01,-137.20) (   0.61,-140.16)  336.60                80
 08/08/2021   19:19:55   (   0.00,-137.18) (   0.01,-137.20)    2.66                80
 08/10/2021   19:10:24   (  -0.00,-137.15) (  -0.59,-134.24)  330.99                80
 08/11/2021   07:31:49   (   0.00,-137.14) (  -0.48,-139.44)  260.92                80