Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 25.  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)
 01/26/2021   07:10:53   (  -0.02,-137.22) (   0.47,-134.98)  254.65                80
 01/26/2021   19:32:08   (   0.02,-137.23) (   0.66,-140.13)  330.85                80
 01/28/2021   19:22:37   (   0.02,-137.22) (   0.00,-137.18)    4.35                80
 01/30/2021   19:10:25   (   0.02,-137.20) (  -0.59,-134.22)  338.52                80
 01/31/2021   07:31:49   (  -0.02,-137.19) (  -0.52,-139.41)  253.29                80
 02/02/2021   07:16:58   (  -0.03,-137.17) (   0.14,-136.46)   80.62                80
 02/04/2021   07:04:46   (  -0.02,-137.14) (   0.75,-133.50)  413.71                80
 02/04/2021   19:26:02   (   0.02,-137.14) (   0.32,-138.67)  172.83                80
 02/06/2021   19:16:30   (   0.01,-137.10) (  -0.28,-135.71)  159.02                80
 02/07/2021   07:37:53   (  -0.00,-137.09) (  -0.82,-140.90)  433.27                80