Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 1.  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)
 11/03/2021   07:05:05   (   0.04,-137.21) (   0.83,-133.54)  416.74                80
 11/03/2021   19:26:20   (  -0.04,-137.21) (   0.29,-138.69)  169.12                80
 11/05/2021   19:16:49   (  -0.04,-137.19) (  -0.38,-135.74)  165.36                80
 11/06/2021   07:38:13   (   0.04,-137.18) (  -0.74,-140.93)  426.31                80
 11/07/2021   19:04:37   (  -0.04,-137.16) (  -1.00,-132.78)  498.84                80
 11/08/2021   07:26:01   (   0.03,-137.15) (  -0.12,-137.97)   93.05                80
 11/10/2021   07:11:08   (   0.03,-137.11) (   0.45,-135.00)  239.77                80
 11/10/2021   19:32:23   (  -0.02,-137.11) (   0.61,-140.16)  346.84                80
 11/12/2021   19:20:10   (  -0.02,-137.07) (   0.04,-137.19)   14.66                80
 11/14/2021   19:10:39   (  -0.02,-137.03) (  -0.60,-134.23)  318.11                80
 11/15/2021   07:32:02   (   0.01,-137.02) (  -0.51,-139.42)  273.83                80