Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 23.  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)
 01/24/2021   07:25:44   (  -0.01,-137.19) (  -0.20,-137.93)   85.31                80
 01/26/2021   07:10:53   (   0.01,-137.16) (   0.46,-134.98)  247.38                80
 01/26/2021   19:32:09   (  -0.01,-137.16) (   0.61,-140.14)  338.61                80
 01/28/2021   19:19:57   (  -0.00,-137.13) (   0.02,-137.18)    6.46                80
 01/30/2021   19:10:26   (   0.00,-137.09) (  -0.64,-134.23)  325.42                80
 01/31/2021   07:31:49   (  -0.00,-137.07) (  -0.47,-139.42)  267.41                80
 02/02/2021   07:16:57   (  -0.00,-137.02) (   0.13,-136.46)   63.78                80
 02/04/2021   07:07:26   (  -0.00,-136.97) (   0.73,-133.50)  394.14                80
 02/04/2021   19:26:01   (   0.00,-136.96) (   0.34,-138.66)  192.83                80