Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 1 16.  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)
 01/16/2020   18:42:55   (  -0.01,-128.42) (  -0.09,-127.93)   54.94                80
 01/18/2020   18:30:44   (  -0.01,-128.42) (  -0.76,-124.99)  391.36                80
 01/19/2020   06:54:48   (   0.00,-128.44) (  -0.35,-130.18)  196.79                80
 01/21/2020   06:39:56   (   0.01,-128.44) (   0.27,-127.22)  139.00                80
 01/21/2020   19:03:51   (  -0.00,-128.42) (   0.85,-132.37)  449.38                80
 01/23/2020   06:27:44   (   0.01,-128.43) (   0.89,-124.26)  474.41                80
 01/23/2020   18:51:39   (  -0.01,-128.41) (   0.23,-129.41)  114.10                80
 01/25/2020   18:36:47   (  -0.01,-128.40) (  -0.40,-126.45)  221.18                80
 01/26/2020   07:00:51   (  -0.00,-128.42) (  -0.71,-131.64)  367.33                80
 01/28/2020   06:48:39   (  -0.01,-128.41) (  -0.08,-128.69)   32.13                80