Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 5 5.  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)
 05/06/2021   19:09:45   (   0.05,-137.20) (  -0.57,-134.25)  335.33                80
 05/07/2021   07:28:29   (  -0.04,-137.18) (  -0.52,-139.44)  256.72                80
 05/09/2021   07:18:56   (  -0.04,-137.18) (   0.09,-136.48)   78.68                80
 05/11/2021   07:06:43   (  -0.04,-137.16) (   0.71,-133.52)  413.42                80
 05/11/2021   19:25:19   (   0.04,-137.17) (   0.34,-138.69)  172.11                80
 05/13/2021   19:15:46   (   0.03,-137.15) (  -0.28,-135.73)  161.61                80
 05/14/2021   07:34:30   (  -0.03,-137.13) (  -0.81,-140.92)  430.96                80
 05/15/2021   19:03:33   (   0.03,-137.12) (  -0.90,-132.77)  494.42                80
 05/16/2021   07:22:17   (  -0.02,-137.10) (  -0.19,-137.96)   98.35                80
 05/18/2021   07:12:44   (  -0.02,-137.06) (   0.44,-135.01)  233.66                80
 05/18/2021   19:31:18   (   0.02,-137.06) (   0.67,-140.16)  352.66                80