Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 1 15.  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)
 01/15/2021   07:31:52   (  -0.01,-137.24) (  -0.49,-139.41)  248.17                80
 01/17/2021   07:17:00   (  -0.01,-137.23) (   0.16,-136.46)   87.80                80
 01/17/2021   19:40:54   (   0.01,-137.24) (   0.95,-141.61)  497.64                80
 01/19/2021   07:04:47   (  -0.01,-137.22) (   0.76,-133.49)  423.52                80
 01/19/2021   19:28:42   (   0.01,-137.23) (   0.30,-138.66)  162.04                80
 01/21/2021   19:13:50   (   0.01,-137.22) (  -0.30,-135.69)  173.08                80
 01/22/2021   07:37:53   (  -0.01,-137.20) (  -0.79,-140.88)  418.56                80
 01/24/2021   07:25:40   (  -0.02,-137.18) (  -0.19,-137.92)   84.40                80
 01/26/2021   07:10:47   (  -0.02,-137.15) (   0.42,-134.95)  248.96                80
 01/26/2021   19:34:43   (   0.02,-137.15) (   0.63,-140.12)  337.32                80
 01/28/2021   19:19:50   (   0.02,-137.11) (   0.02,-137.15)    5.03                80