Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 8 12.  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)
 08/12/2019   19:16:30   (   0.02,-137.18) (  -0.29,-135.71)  167.21                80
 08/13/2019   07:37:54   (  -0.02,-137.18) (  -0.84,-140.90)  423.62                80
 08/15/2019   07:25:44   (  -0.02,-137.16) (  -0.17,-137.95)   89.41                80
 08/17/2019   07:10:53   (  -0.02,-137.14) (   0.44,-134.99)  244.51                80
 08/17/2019   19:34:48   (   0.03,-137.14) (   0.69,-140.14)  342.25                80
 08/19/2019   19:19:58   (   0.02,-137.11) (   0.02,-137.19)    9.07                80
 08/21/2019   19:07:47   (   0.02,-137.08) (  -0.59,-134.23)  323.96                80
 08/22/2019   07:31:51   (  -0.03,-137.07) (  -0.53,-139.42)  267.14                80
 08/24/2019   07:17:00   (  -0.03,-137.03) (   0.09,-136.46)   64.60                80