Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 23.  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)
 09/24/2020   06:48:48   (  -0.08,-128.38) (  -0.17,-128.69)   35.90                80
 09/26/2020   06:33:58   (  -0.08,-128.41) (   0.51,-125.75)  302.88                80
 09/26/2020   18:57:53   (   0.09,-128.36) (   0.63,-130.90)  288.13                80
 09/28/2020   18:43:02   (   0.09,-128.38) (   0.01,-127.94)   50.47                80
 09/30/2020   18:30:52   (   0.09,-128.41) (  -0.66,-124.99)  388.90                80
 10/01/2020   06:54:56   (  -0.10,-128.46) (  -0.45,-130.18)  194.98                80
 10/03/2020   06:40:05   (  -0.10,-128.48) (   0.17,-127.22)  143.10                80
 10/03/2020   19:04:00   (   0.11,-128.43) (   0.98,-132.37)  448.28                80
 10/05/2020   06:27:54   (  -0.10,-128.49) (   0.79,-124.26)  480.72                80
 10/05/2020   18:51:50   (   0.11,-128.44) (   0.29,-129.42)  110.85                80