Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 11 21.  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)
 11/22/2019   18:37:02   (  -0.21,-128.47) (  -0.64,-126.51)  223.59                80
 11/23/2019   07:01:06   (   0.19,-128.48) (  -0.47,-131.70)  365.53                80
 11/25/2019   06:48:54   (   0.20,-128.46) (   0.16,-128.74)   31.28                80
 11/27/2019   06:34:01   (   0.20,-128.43) (   0.74,-125.77)  302.75                80
 11/27/2019   18:57:56   (  -0.18,-128.41) (   0.38,-130.92)  285.58                80
 11/29/2019   18:45:44   (  -0.18,-128.38) (  -0.25,-127.96)   47.96                80
 12/01/2019   18:30:52   (  -0.17,-128.35) (  -0.89,-125.00)  381.17                80
 12/02/2019   06:54:56   (   0.16,-128.36) (  -0.21,-130.19)  207.81                80
 12/04/2019   06:40:03   (   0.16,-128.33) (   0.37,-127.22)  125.12                80
 12/04/2019   19:03:58   (  -0.14,-128.30) (   0.75,-132.37)  463.99                80