Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 27.  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)
 06/28/2021   07:07:12   (  -0.02,-137.19) (   0.75,-133.53)  415.44                80
 06/28/2021   19:25:48   (   0.02,-137.19) (   0.32,-138.69)  170.33                80
 06/30/2021   19:16:17   (   0.01,-137.18) (  -0.31,-135.73)  165.04                80
 07/01/2021   07:35:00   (  -0.01,-137.17) (  -0.82,-140.92)  426.33                80
 07/03/2021   07:22:49   (  -0.01,-137.16) (  -0.19,-137.96)   91.30                80
 07/05/2021   07:13:19   (  -0.02,-137.14) (   0.45,-135.00)  243.17                80
 07/05/2021   19:31:53   (   0.02,-137.14) (   0.68,-140.15)  343.14                80
 07/07/2021   19:19:42   (   0.02,-137.11) (   0.04,-137.20)    9.63                80
 07/09/2021   19:10:11   (   0.02,-137.08) (  -0.60,-134.24)  322.95                80
 07/10/2021   07:31:35   (  -0.02,-137.06) (  -0.52,-139.43)  268.94                80