Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 19.  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)
 10/19/2019   06:28:04   (   0.30,-128.18) (   1.13,-124.33)  437.35                80
 10/19/2019   18:49:18   (  -0.30,-128.19) (   0.00,-129.48)  148.04                80
 10/21/2019   18:39:47   (  -0.29,-128.23) (  -0.64,-126.53)  193.18                80
 10/22/2019   07:01:12   (   0.29,-128.25) (  -0.42,-131.73)  395.04                80
 10/24/2019   06:49:00   (   0.29,-128.29) (   0.16,-128.76)   54.55                80
 10/26/2019   06:34:09   (   0.29,-128.32) (   0.81,-125.81)  285.73                80
 10/26/2019   18:55:25   (  -0.29,-128.32) (   0.27,-130.97)  300.82                80
 10/28/2019   18:45:54   (  -0.29,-128.36) (  -0.38,-128.02)   39.17                80
 10/30/2019   18:33:42   (  -0.28,-128.38) (  -0.97,-125.05)  378.58                80
 10/31/2019   06:55:06   (   0.28,-128.41) (  -0.14,-130.24)  209.23                80