Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 11 20.  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)
 11/20/2019   06:27:59   (   0.22,-128.49) (   1.09,-124.31)  475.91                80
 11/20/2019   18:51:53   (  -0.20,-128.48) (   0.03,-129.46)  111.38                80
 11/22/2019   18:37:02   (  -0.21,-128.47) (  -0.65,-126.51)  223.58                80
 11/23/2019   07:01:05   (   0.19,-128.48) (  -0.52,-131.69)  365.70                80
 11/25/2019   06:48:53   (   0.20,-128.46) (   0.11,-128.73)   31.49                80
 11/27/2019   06:34:01   (   0.20,-128.43) (   0.75,-125.77)  302.42                80
 11/27/2019   18:57:56   (  -0.18,-128.41) (   0.37,-130.92)  285.80                80
 11/29/2019   18:43:04   (  -0.18,-128.38) (  -0.26,-127.96)   47.63                80
 12/01/2019   18:30:52   (  -0.17,-128.35) (  -0.90,-125.00)  380.79                80
 12/02/2019   06:54:56   (   0.16,-128.36) (  -0.20,-130.20)  208.32                80