Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 10 11.  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)
 10/12/2019   18:43:12   (  -0.30,-127.98) (  -0.28,-128.00)    3.70                80
 10/14/2019   18:33:42   (  -0.30,-128.04) (  -0.97,-125.05)  340.30                80
 10/15/2019   06:55:06   (   0.31,-128.07) (  -0.14,-130.24)  246.70                80
 10/17/2019   06:40:15   (   0.30,-128.13) (   0.49,-127.29)   95.58                80
 10/17/2019   19:01:30   (  -0.30,-128.12) (   0.59,-132.45)  491.61                80
 10/19/2019   06:28:04   (   0.30,-128.18) (   1.12,-124.33)  437.08                80
 10/19/2019   18:49:19   (  -0.30,-128.17) (  -0.04,-129.49)  150.19                80
 10/21/2019   18:39:49   (  -0.29,-128.21) (  -0.68,-126.54)  190.54                80
 10/22/2019   07:01:12   (   0.29,-128.24) (  -0.43,-131.73)  396.01                80
 10/24/2019   06:49:01   (   0.29,-128.28) (   0.21,-128.77)   56.07                80