Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 11 16.  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)
 11/17/2021   07:17:11   (   0.05,-137.22) (   0.23,-136.48)   84.07                80
 11/19/2021   07:04:59   (   0.04,-137.22) (   0.81,-133.51)  420.59                80
 11/19/2021   19:26:13   (  -0.04,-137.22) (   0.30,-138.67)  165.20                80
 11/21/2021   19:16:41   (  -0.03,-137.21) (  -0.35,-135.71)  170.50                80
 11/22/2021   07:38:05   (   0.03,-137.20) (  -0.75,-140.90)  420.49                80
 11/24/2021   07:25:52   (   0.02,-137.18) (  -0.16,-137.93)   85.74                80
 11/26/2021   07:11:00   (   0.02,-137.16) (   0.50,-134.98)  248.56                80
 11/26/2021   19:32:15   (  -0.02,-137.16) (   0.61,-140.13)  338.00                80
 11/28/2021   19:20:02   (  -0.01,-137.13) (   0.01,-137.16)    4.57                80
 11/30/2021   19:10:29   (  -0.01,-137.09) (  -0.60,-134.20)  328.74                80