Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 2 23.  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)
 02/23/2021   07:37:49   (  -0.03,-137.21) (  -0.79,-140.90)  419.93                80
 02/25/2021   07:25:36   (  -0.03,-137.20) (  -0.22,-137.94)   84.87                80
 02/27/2021   07:10:44   (  -0.03,-137.18) (   0.42,-134.98)  249.72                80
 02/27/2021   19:32:00   (   0.03,-137.18) (   0.63,-140.15)  336.58                80
 03/01/2021   19:19:47   (   0.03,-137.16) (   0.05,-137.18)    3.13                80
 03/03/2021   19:10:15   (   0.03,-137.13) (  -0.60,-134.23)  330.75                80
 03/04/2021   07:31:39   (  -0.03,-137.12) (  -0.51,-139.42)  260.98                80
 03/06/2021   07:16:46   (  -0.02,-137.08) (   0.08,-136.45)   71.23                80
 03/08/2021   07:04:34   (  -0.01,-137.04) (   0.73,-133.50)  402.51                80
 03/08/2021   19:25:48   (   0.01,-137.03) (   0.38,-138.65)  184.84                80