Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 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)
 08/21/2020   07:00:46   (  -0.00,-127.86) (  -0.82,-131.63)  429.72                80
 08/22/2020   18:27:12   (  -0.01,-127.79) (  -0.95,-123.49)  488.64                80
 08/23/2020   06:48:36   (   0.00,-127.78) (  -0.20,-128.68)  102.14                80
 08/25/2020   06:33:46   (   0.00,-127.70) (   0.41,-125.72)  224.87                80
 08/25/2020   18:55:02   (   0.00,-127.66) (   0.68,-130.88)  365.72                80
 08/27/2020   18:42:52   (   0.00,-127.58) (   0.07,-127.92)   39.43                80
 08/29/2020   18:33:22   (   0.00,-127.49) (  -0.53,-124.97)  286.42                80
 08/30/2020   06:54:47   (  -0.01,-127.48) (  -0.56,-130.16)  304.13                80
 09/01/2020   06:39:57   (  -0.01,-127.39) (   0.04,-127.20)   21.42                80
 09/03/2020   06:27:47   (  -0.00,-127.30) (   0.62,-124.24)  346.86                80
 09/03/2020   18:49:03   (   0.01,-127.25) (   0.48,-129.40)  244.62                80