Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 17.  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)
 01/18/2020   18:30:44   (  -0.01,-128.42) (  -0.75,-124.98)  391.23                80
 01/19/2020   06:54:48   (   0.00,-128.44) (  -0.36,-130.18)  196.98                80
 01/21/2020   06:39:56   (   0.01,-128.44) (   0.27,-127.22)  138.75                80
 01/21/2020   19:03:51   (  -0.00,-128.42) (   0.86,-132.37)  449.57                80
 01/23/2020   06:27:44   (   0.01,-128.43) (   0.89,-124.26)  474.10                80
 01/23/2020   18:51:39   (  -0.01,-128.41) (   0.23,-129.41)  114.36                80
 01/25/2020   18:36:47   (  -0.01,-128.40) (  -0.39,-126.45)  220.86                80
 01/26/2020   07:00:51   (  -0.00,-128.41) (  -0.71,-131.64)  367.76                80
 01/28/2020   06:48:39   (  -0.01,-128.40) (  -0.08,-128.69)   32.61                80
 01/30/2020   06:33:47   (  -0.01,-128.39) (   0.56,-125.73)  302.28                80
 01/30/2020   18:57:42   (   0.02,-128.37) (   0.57,-130.88)  286.28                80