Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 9 16.  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   (  -0.05,-128.26) (   0.14,-127.22)  118.15                80
 09/17/2020   19:03:56   (   0.06,-128.22) (   0.94,-132.38)  471.72                80
 09/19/2020   06:27:51   (  -0.05,-128.30) (   0.81,-124.27)  458.57                80
 09/19/2020   18:51:45   (   0.06,-128.26) (   0.33,-129.41)  131.40                80
 09/21/2020   18:36:55   (   0.06,-128.30) (  -0.34,-126.47)  208.45                80
 09/22/2020   07:00:59   (  -0.07,-128.35) (  -0.78,-131.65)  375.74                80
 09/24/2020   06:48:48   (  -0.08,-128.38) (  -0.17,-128.70)   36.73                80
 09/26/2020   06:33:58   (  -0.08,-128.40) (   0.50,-125.75)  302.13                80
 09/26/2020   18:57:53   (   0.09,-128.36) (   0.64,-130.90)  288.42                80
 09/28/2020   18:43:03   (   0.09,-128.38) (  -0.03,-127.95)   50.23                80