Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 10.  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)
 03/10/2021   19:13:36   (   0.04,-137.22) (  -0.28,-135.70)  172.76                80
 03/11/2021   07:37:40   (  -0.04,-137.21) (  -0.82,-140.89)  419.05                80
 03/13/2021   07:25:28   (  -0.04,-137.20) (  -0.16,-137.94)   83.05                80
 03/15/2021   07:10:35   (  -0.04,-137.20) (   0.44,-134.98)  252.79                80
 03/15/2021   19:31:50   (   0.04,-137.21) (   0.67,-140.13)  332.27                80
 03/17/2021   19:19:38   (   0.03,-137.20) (  -0.00,-137.18)    4.38                80
 03/19/2021   19:10:05   (   0.03,-137.18) (  -0.61,-134.22)  337.01                80
 03/20/2021   07:31:29   (  -0.03,-137.16) (  -0.49,-139.41)  255.46                80
 03/22/2021   07:19:16   (  -0.03,-137.13) (   0.12,-136.45)   77.72                80