Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 9 17.  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)
 09/18/2021   19:16:41   (  -0.04,-137.20) (  -0.34,-135.73)  166.87                80
 09/19/2021   07:38:05   (   0.03,-137.20) (  -0.78,-140.91)  423.17                80
 09/21/2021   07:25:54   (   0.03,-137.19) (  -0.14,-137.96)   87.41                80
 09/23/2021   07:11:03   (   0.03,-137.18) (   0.49,-135.00)  247.99                80
 09/23/2021   19:32:19   (  -0.03,-137.18) (   0.58,-140.16)  339.09                80
 09/25/2021   19:20:07   (  -0.03,-137.16) (  -0.00,-137.20)    5.14                80
 09/27/2021   19:10:36   (  -0.03,-137.14) (  -0.64,-134.24)  329.40                80
 09/28/2021   07:32:00   (   0.03,-137.13) (  -0.47,-139.43)  261.10                80
 09/30/2021   07:17:09   (   0.02,-137.10) (   0.18,-136.48)   71.95                80