Simultaneous Nadir Overpasses (SNOs) between GOES-17 and LANDSAT-8
TLE Epoch: 2021 3 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)
 03/15/2021   07:10:35   (  -0.04,-137.20) (   0.42,-134.97)  252.89                80
 03/15/2021   19:34:30   (   0.04,-137.21) (   0.68,-140.13)  332.49                80
 03/17/2021   19:19:38   (   0.04,-137.19) (   0.02,-137.18)    3.37                80
 03/19/2021   19:07:25   (   0.04,-137.17) (  -0.60,-134.21)  336.21                80
 03/20/2021   07:31:28   (  -0.04,-137.15) (  -0.50,-139.41)  256.03                80
 03/22/2021   07:16:36   (  -0.04,-137.12) (   0.11,-136.45)   76.88                80
 03/24/2021   07:04:23   (  -0.03,-137.08) (   0.73,-133.48)  409.09                80
 03/24/2021   19:25:37   (   0.03,-137.08) (   0.37,-138.64)  177.25                80
 03/26/2021   19:16:04   (   0.03,-137.04) (  -0.26,-135.68)  154.33                80
 03/27/2021   07:34:48   (  -0.03,-137.02) (  -0.84,-140.87)  438.39                80
 03/28/2021   19:03:51   (   0.03,-136.99) (  -0.88,-132.72)  485.50                80