Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 12 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)
 12/29/2020   19:10:35   (  -0.02,-137.23) (  -0.63,-134.24)  338.92                80
 12/30/2020   07:31:59   (   0.02,-137.22) (  -0.48,-139.43)  252.31                80
 01/01/2021   07:17:07   (   0.02,-137.21) (   0.15,-136.48)   82.75                80
 01/03/2021   07:04:55   (   0.01,-137.19) (   0.78,-133.52)  417.50                80
 01/03/2021   19:26:10   (   0.00,-137.19) (   0.34,-138.67)  168.53                80
 01/05/2021   19:16:38   (   0.01,-137.17) (  -0.29,-135.71)  165.66                80
 01/06/2021   07:38:01   (  -0.01,-137.16) (  -0.81,-140.90)  425.83                80
 01/07/2021   19:04:26   (  -0.00,-137.14) (  -0.93,-132.75)  498.76                80
 01/08/2021   07:25:50   (   0.01,-137.13) (  -0.17,-137.95)   93.02                80
 01/10/2021   07:10:58   (   0.02,-137.09) (   0.48,-134.99)  239.09                80
 01/10/2021   19:32:12   (  -0.01,-137.08) (   0.64,-140.14)  347.93                80