Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 6 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)
 06/24/2021   07:28:54   (  -0.02,-137.20) (  -0.49,-139.45)  255.79                80
 06/26/2021   07:19:23   (  -0.02,-137.20) (   0.13,-136.49)   80.28                80
 06/28/2021   07:04:32   (  -0.02,-137.19) (   0.75,-133.53)  416.07                80
 06/28/2021   19:25:48   (   0.02,-137.19) (   0.32,-138.69)  169.96                80
 06/30/2021   19:16:17   (   0.02,-137.19) (  -0.31,-135.73)  165.76                80
 07/01/2021   07:35:00   (  -0.01,-137.18) (  -0.82,-140.92)  425.10                80
 07/03/2021   07:25:29   (  -0.01,-137.17) (  -0.19,-137.96)   89.72                80
 07/05/2021   07:10:39   (  -0.02,-137.16) (   0.45,-135.00)  245.09                80
 07/05/2021   19:31:53   (   0.02,-137.15) (   0.68,-140.15)  341.52                80
 07/07/2021   19:19:42   (   0.02,-137.13) (   0.05,-137.20)    7.92                80