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) (  -0.29,-126.46)  222.76                80
 10/08/2020   07:01:01   (  -0.12,-128.45) (  -0.83,-131.64)  363.99                80
 10/10/2020   06:48:50   (  -0.13,-128.44) (  -0.19,-128.69)   28.85                80
 10/12/2020   06:33:59   (  -0.13,-128.42) (   0.45,-125.73)  305.75                80
 10/12/2020   18:57:54   (   0.14,-128.38) (   0.69,-130.88)  284.44                80
 10/14/2020   18:43:03   (   0.14,-128.36) (   0.05,-127.93)   49.60                80
 10/16/2020   18:30:52   (   0.14,-128.34) (  -0.60,-124.97)  383.25                80
 10/17/2020   06:54:56   (  -0.14,-128.36) (  -0.51,-130.16)  204.12                80
 10/19/2020   06:40:04   (  -0.15,-128.33) (   0.08,-127.19)  128.91                80
 10/19/2020   19:04:00   (   0.15,-128.29) (   1.00,-132.36)  461.71                80