Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 6.  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)
 09/06/2019   06:46:09   (   0.25,-128.28) (   0.17,-128.75)   52.76                80
 09/08/2019   06:36:37   (   0.24,-128.24) (   0.74,-125.78)  279.75                80
 09/08/2019   18:55:13   (  -0.26,-128.26) (   0.33,-130.94)  304.89                80
 09/10/2019   18:45:42   (  -0.26,-128.22) (  -0.30,-127.98)   27.22                80
 09/12/2019   18:33:31   (  -0.25,-128.18) (  -0.93,-125.02)  359.12                80
 09/13/2019   06:52:15   (   0.28,-128.14) (  -0.18,-130.21)  235.67                80
 09/15/2019   06:42:44   (   0.28,-128.10) (   0.46,-127.26)   95.82                80
 09/15/2019   19:01:20   (  -0.29,-128.11) (   0.62,-132.42)  489.98                80
 09/17/2019   06:30:33   (   0.27,-128.05) (   1.10,-124.30)  426.94                80
 09/17/2019   18:49:09   (  -0.29,-128.06) (  -0.02,-129.46)  158.89                80
 09/19/2019   18:39:37   (  -0.29,-128.00) (  -0.60,-126.49)  171.53                80