Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 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)
 09/22/2020   07:00:59   (  -0.08,-128.36) (  -0.80,-131.65)  375.01                80
 09/24/2020   06:48:49   (  -0.08,-128.38) (  -0.13,-128.70)   35.84                80
 09/26/2020   06:33:58   (  -0.08,-128.41) (   0.49,-125.74)  303.03                80
 09/26/2020   18:57:53   (   0.09,-128.36) (   0.66,-130.89)  287.93                80
 09/28/2020   18:43:03   (   0.09,-128.39) (  -0.02,-127.95)   50.78                80
 09/30/2020   18:30:52   (   0.09,-128.41) (  -0.64,-124.99)  389.30                80
 10/01/2020   06:54:56   (  -0.10,-128.47) (  -0.48,-130.17)  194.58                80
 10/03/2020   06:40:06   (  -0.10,-128.49) (   0.20,-127.23)  143.66                80
 10/03/2020   19:04:00   (   0.11,-128.44) (   0.94,-132.38)  447.69                80
 10/05/2020   06:27:55   (  -0.10,-128.50) (   0.83,-124.27)  481.34                80
 10/05/2020   18:51:49   (   0.11,-128.45) (   0.32,-129.42)  110.15                80