Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 8 29.  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)
 08/29/2021   07:19:43   (   0.03,-137.19) (   0.17,-136.48)   80.69                80
 08/31/2021   07:07:33   (   0.03,-137.18) (   0.83,-133.53)  415.50                80
 08/31/2021   19:26:08   (  -0.03,-137.19) (   0.31,-138.68)  170.39                80
 09/02/2021   19:16:38   (  -0.03,-137.17) (  -0.35,-135.73)  163.43                80
 09/03/2021   07:35:22   (   0.03,-137.15) (  -0.78,-140.92)  428.63                80
 09/04/2021   19:04:27   (  -0.03,-137.14) (  -0.95,-132.77)  496.56                80
 09/05/2021   07:23:12   (   0.03,-137.12) (  -0.12,-137.97)   95.62                80
 09/07/2021   07:11:01   (   0.03,-137.09) (   0.48,-135.01)  237.10                80
 09/07/2021   19:32:17   (  -0.03,-137.09) (   0.60,-140.17)  349.30                80
 09/09/2021   19:20:06   (  -0.03,-137.05) (   0.00,-137.20)   17.43                80
 09/11/2021   19:10:35   (  -0.02,-137.00) (  -0.60,-134.24)  313.61                80