Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 17.  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)
 09/17/2020   06:40:01   (  -0.06,-128.26) (   0.17,-127.22)  118.27                80
 09/17/2020   19:03:56   (   0.06,-128.22) (   0.97,-132.37)  471.67                80
 09/19/2020   06:27:50   (  -0.05,-128.30) (   0.78,-124.26)  458.85                80
 09/19/2020   18:51:46   (   0.06,-128.27) (   0.30,-129.42)  131.20                80
 09/21/2020   18:36:55   (   0.06,-128.30) (  -0.31,-126.46)  208.77                80
 09/22/2020   07:01:00   (  -0.07,-128.36) (  -0.76,-131.66)  375.28                80
 09/24/2020   06:48:49   (  -0.08,-128.38) (  -0.14,-128.70)   36.01                80
 09/26/2020   06:33:58   (  -0.08,-128.41) (   0.47,-125.74)  302.85                80
 09/26/2020   18:57:54   (   0.09,-128.37) (   0.61,-130.90)  287.80                80
 09/28/2020   18:43:03   (   0.09,-128.39) (  -0.00,-127.94)   50.90                80
 09/30/2020   18:30:52   (   0.09,-128.41) (  -0.62,-124.98)  389.48                80