Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2020 10 21.  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)
 10/22/2020   07:11:04   (   0.03,-137.17) (   0.51,-135.01)  246.27                80
 10/22/2020   19:32:19   (  -0.03,-137.17) (   0.61,-140.16)  340.16                80
 10/24/2020   19:20:07   (  -0.02,-137.14) (   0.01,-137.19)    6.67                80
 10/26/2020   19:10:36   (  -0.02,-137.12) (  -0.65,-134.24)  327.74                80
 10/27/2020   07:32:00   (   0.02,-137.11) (  -0.46,-139.43)  263.60                80
 10/29/2020   07:17:08   (   0.02,-137.08) (   0.14,-136.47)   69.77                80
 10/31/2020   07:04:57   (   0.02,-137.05) (   0.80,-133.51)  402.56                80
 10/31/2020   19:26:12   (  -0.02,-137.04) (   0.34,-138.66)  184.46                80
 11/02/2020   19:16:41   (  -0.02,-137.00) (  -0.32,-135.71)  147.41                80
 11/03/2020   07:38:05   (   0.01,-136.98) (  -0.79,-140.90)  444.43                80