Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 28.  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)
 09/28/2020   18:43:02   (   0.09,-128.38) (   0.00,-127.94)   49.78                80
 09/30/2020   18:30:51   (   0.09,-128.39) (  -0.62,-124.98)  387.68                80
 10/01/2020   06:54:56   (  -0.10,-128.45) (  -0.44,-130.18)  196.90                80
 10/03/2020   06:40:05   (  -0.10,-128.46) (   0.18,-127.23)  140.65                80
 10/03/2020   19:04:00   (   0.11,-128.41) (   0.96,-132.37)  450.36                80
 10/05/2020   06:27:54   (  -0.10,-128.47) (   0.81,-124.27)  477.69                80
 10/05/2020   18:51:49   (   0.11,-128.42) (   0.33,-129.42)  113.48                80
 10/07/2020   18:36:58   (   0.11,-128.42) (  -0.30,-126.46)  222.75                80
 10/08/2020   07:01:02   (  -0.12,-128.47) (  -0.82,-131.65)  362.22                80
 10/10/2020   06:48:51   (  -0.13,-128.46) (  -0.19,-128.69)   26.88                80