Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 12 8.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 12/08/2020   06:30:32   (  -0.22,-128.10) (   0.60,-124.22)  440.73                80
 12/08/2020   18:49:08   (   0.20,-128.09) (   0.47,-129.38)  146.58                80
 12/10/2020   18:39:37   (   0.20,-128.13) (  -0.18,-126.43)  193.66                80
 12/11/2020   06:58:21   (  -0.18,-128.15) (  -0.94,-131.62)  394.78                80
 12/13/2020   06:46:10   (  -0.19,-128.18) (  -0.28,-128.67)   55.29                80
 12/15/2020   06:36:38   (  -0.19,-128.20) (   0.32,-125.70)  283.60                80
 12/15/2020   18:55:14   (   0.17,-128.20) (   0.75,-130.87)  303.88                80
 12/17/2020   18:45:43   (   0.18,-128.22) (   0.09,-127.92)   34.81                80
 12/19/2020   18:33:31   (   0.19,-128.23) (  -0.52,-124.96)  373.24                80
 12/20/2020   06:52:15   (  -0.17,-128.25) (  -0.59,-130.15)  216.01                80