Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 22.  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)
 05/23/2020   18:44:49   (   0.17,-128.26) (   0.08,-127.92)   39.52                80
 05/25/2020   18:32:38   (   0.17,-128.23) (  -0.55,-124.96)  372.54                80
 05/26/2020   06:51:22   (  -0.16,-128.19) (  -0.57,-130.15)  222.23                80
 05/28/2020   06:39:11   (  -0.15,-128.15) (   0.05,-127.19)  109.98                80
 05/28/2020   19:00:27   (   0.14,-128.17) (   1.03,-132.35)  474.68                80
 05/30/2020   06:27:00   (  -0.15,-128.11) (   0.68,-124.23)  441.85                80
 05/30/2020   18:48:16   (   0.14,-128.13) (   0.40,-129.39)  142.80                80
 06/01/2020   18:38:45   (   0.14,-128.08) (  -0.23,-126.43)  188.82                80
 06/02/2020   06:57:29   (  -0.13,-128.05) (  -0.88,-131.62)  405.50                80
 06/04/2020   06:47:58   (  -0.13,-128.00) (  -0.25,-128.66)   74.60                80