Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 20.  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)
 05/21/2020   06:33:04   (  -0.19,-128.25) (   0.33,-125.71)  288.69                80
 05/21/2020   18:54:20   (   0.18,-128.28) (   0.74,-130.87)  294.52                80
 05/23/2020   18:44:49   (   0.17,-128.26) (   0.12,-127.91)   39.39                80
 05/25/2020   18:32:38   (   0.17,-128.23) (  -0.50,-124.95)  372.38                80
 05/26/2020   06:54:03   (  -0.16,-128.19) (  -0.56,-130.15)  222.53                80
 05/28/2020   06:41:52   (  -0.15,-128.15) (   0.07,-127.19)  109.67                80
 05/28/2020   19:00:27   (   0.14,-128.17) (   1.01,-132.35)  474.94                80
 05/30/2020   06:27:01   (  -0.15,-128.11) (   0.70,-124.23)  441.47                80
 05/30/2020   18:48:16   (   0.14,-128.13) (   0.38,-129.39)  143.14                80
 06/01/2020   18:38:45   (   0.14,-128.08) (  -0.19,-126.42)  188.47                80
 06/02/2020   06:57:28   (  -0.13,-128.04) (  -0.92,-131.61)  405.95                80