Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 5 30.  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)
 05/30/2020   06:27:00   (  -0.15,-128.12) (   0.65,-124.22)  443.31                80
 05/30/2020   18:48:16   (   0.14,-128.15) (   0.43,-129.38)  140.75                80
 06/01/2020   18:38:45   (   0.14,-128.11) (  -0.19,-126.42)  191.61                80
 06/02/2020   07:00:09   (  -0.13,-128.07) (  -0.86,-131.62)  402.98                80
 06/04/2020   06:47:59   (  -0.13,-128.03) (  -0.24,-128.66)   71.42                80
 06/06/2020   06:33:07   (  -0.13,-127.98) (   0.33,-125.69)  259.61                80
 06/06/2020   18:54:22   (   0.12,-127.99) (   0.76,-130.85)  325.77                80
 06/08/2020   18:42:11   (   0.11,-127.94) (   0.13,-127.89)    5.72                80
 06/10/2020   18:32:40   (   0.11,-127.88) (  -0.49,-124.93)  335.01                80
 06/11/2020   06:54:05   (  -0.10,-127.84) (  -0.56,-130.13)  259.22                80