Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 7 22.  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)
 07/23/2021   19:19:47   (   0.00,-137.19) (   0.03,-137.19)    3.31                80
 07/25/2021   19:10:17   (  -0.00,-137.17) (  -0.61,-134.24)  333.45                80
 07/26/2021   07:29:02   (   0.01,-137.16) (  -0.47,-139.43)  258.82                80
 07/28/2021   07:19:32   (   0.02,-137.14) (   0.17,-136.48)   75.10                80
 07/30/2021   07:07:21   (   0.02,-137.12) (   0.76,-133.52)  408.84                80
 07/30/2021   19:25:57   (  -0.02,-137.12) (   0.32,-138.68)  177.04                80
 08/01/2021   19:16:26   (  -0.01,-137.09) (  -0.28,-135.71)  156.12                80
 08/02/2021   07:35:11   (   0.01,-137.07) (  -0.80,-140.91)  436.24                80
 08/03/2021   19:04:16   (   0.00,-137.06) (  -0.93,-132.76)  488.64                80
 08/04/2021   07:25:40   (  -0.02,-137.04) (  -0.20,-137.95)  103.60                80