Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2019 12 24.  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)
 12/25/2019   19:20:03   (   0.01,-137.17) (   0.03,-137.18)    2.13                80
 12/27/2019   19:10:32   (   0.02,-137.13) (  -0.59,-134.22)  330.45                80
 12/28/2019   07:29:15   (  -0.02,-137.12) (  -0.52,-139.41)  261.13                80
 12/30/2019   07:19:43   (  -0.03,-137.07) (   0.11,-136.45)   70.61                80
 01/01/2020   07:07:31   (  -0.04,-137.03) (   0.73,-133.49)  402.03                80
 01/01/2020   19:26:06   (   0.03,-137.01) (   0.39,-138.65)  185.76                80
 01/03/2020   19:16:34   (   0.04,-136.96) (  -0.24,-135.69)  145.01                80
 01/04/2020   07:35:18   (  -0.03,-136.95) (  -0.86,-140.88)  446.92                80
 01/05/2020   19:04:22   (   0.04,-136.90) (  -0.87,-132.73)  475.09                80
 01/06/2020   07:23:06   (  -0.04,-136.89) (  -0.23,-137.92)  117.08                80