Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 4 24.  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)
 04/24/2020   06:54:05   (  -0.27,-128.10) (  -0.67,-130.14)  231.23                80
 04/26/2020   06:39:12   (  -0.26,-128.14) (  -0.09,-127.18)  108.70                80
 04/26/2020   19:00:28   (   0.26,-128.18) (   1.13,-132.34)  473.72                80
 04/28/2020   06:27:00   (  -0.26,-128.17) (   0.56,-124.23)  447.71                80
 04/28/2020   18:48:16   (   0.25,-128.20) (   0.49,-129.39)  134.84                80
 04/30/2020   18:38:43   (   0.25,-128.23) (  -0.10,-126.43)  203.47                80
 05/01/2020   07:00:07   (  -0.24,-128.20) (  -1.00,-131.62)  389.48                80
 05/03/2020   06:47:55   (  -0.24,-128.22) (  -0.34,-128.67)   51.64                80
 05/05/2020   06:33:03   (  -0.24,-128.23) (   0.31,-125.72)  286.00                80
 05/05/2020   18:54:18   (   0.23,-128.26) (   0.80,-130.88)  297.60                80
 05/07/2020   18:44:46   (   0.23,-128.27) (   0.14,-127.93)   39.48                80