Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 7 19.  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)
 07/20/2019   06:48:29   (   0.03,-127.94) (  -0.15,-128.68)   84.15                80
 07/22/2019   06:33:39   (   0.04,-128.00) (   0.55,-125.74)  258.46                80
 07/22/2019   18:57:33   (  -0.01,-128.03) (   0.59,-130.88)  324.57                80
 07/24/2019   18:42:42   (  -0.02,-128.08) (  -0.05,-127.93)   17.72                80
 07/26/2019   18:30:32   (  -0.02,-128.13) (  -0.68,-124.97)  359.45                80
 07/27/2019   06:54:35   (  -0.01,-128.14) (  -0.44,-130.16)  229.19                80
 07/29/2019   06:39:44   (  -0.01,-128.18) (   0.20,-127.20)  111.28                80
 07/29/2019   19:03:39   (   0.04,-128.19) (   0.93,-132.35)  473.10                80
 07/31/2019   06:27:33   (   0.00,-128.21) (   0.84,-124.24)  451.04                80
 07/31/2019   18:51:28   (   0.03,-128.22) (   0.30,-129.39)  133.40                80