Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 10 6.  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)
 10/07/2020   18:36:57   (   0.11,-128.42) (  -0.28,-126.45)  222.63                80
 10/08/2020   07:01:01   (  -0.12,-128.45) (  -0.83,-131.64)  364.00                80
 10/10/2020   06:48:50   (  -0.13,-128.44) (  -0.20,-128.69)   28.93                80
 10/12/2020   06:33:59   (  -0.13,-128.42) (   0.44,-125.73)  305.64                80
 10/12/2020   18:57:54   (   0.14,-128.38) (   0.70,-130.88)  284.72                80
 10/14/2020   18:43:03   (   0.14,-128.36) (   0.06,-127.92)   49.29                80
 10/16/2020   18:30:52   (   0.14,-128.34) (  -0.58,-124.97)  382.86                80
 10/17/2020   06:54:56   (  -0.14,-128.36) (  -0.53,-130.16)  204.36                80
 10/19/2020   06:40:05   (  -0.15,-128.33) (   0.12,-127.20)  128.62                80
 10/19/2020   19:04:00   (   0.15,-128.29) (   1.02,-132.35)  462.19                80