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   06:48:49   (  -0.08,-128.38) (  -0.13,-128.70)   35.93                80
 09/26/2020   06:33:58   (  -0.08,-128.41) (   0.48,-125.74)  302.72                80
 09/26/2020   18:57:53   (   0.09,-128.36) (   0.66,-130.89)  288.28                80
 09/28/2020   18:43:03   (   0.09,-128.38) (  -0.02,-127.94)   50.27                80
 09/30/2020   18:30:52   (   0.09,-128.40) (  -0.64,-124.99)  388.58                80
 10/01/2020   06:54:55   (  -0.10,-128.46) (  -0.47,-130.17)  195.34                80
 10/03/2020   06:40:04   (  -0.10,-128.48) (   0.15,-127.22)  142.67                80
 10/03/2020   19:04:00   (   0.11,-128.43) (   0.93,-132.38)  448.71                80
 10/05/2020   06:27:54   (  -0.10,-128.49) (   0.78,-124.26)  480.20                80
 10/05/2020   18:51:49   (   0.11,-128.44) (   0.30,-129.42)  111.34                80