Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 9.  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)
 11/09/2021   06:28:04   (   0.29,-128.45) (   1.14,-124.33)  467.53                80
 11/09/2021   18:51:59   (  -0.28,-128.45) (  -0.09,-129.50)  117.98                80
 11/11/2021   18:37:06   (  -0.28,-128.45) (  -0.66,-126.53)  218.18                80
 11/12/2021   07:01:10   (   0.27,-128.44) (  -0.45,-131.71)  372.52                80
 11/14/2021   06:48:58   (   0.27,-128.44) (   0.19,-128.76)   36.41                80
 11/16/2021   06:34:06   (   0.27,-128.43) (   0.83,-125.80)  299.55                80
 11/16/2021   18:58:01   (  -0.26,-128.44) (   0.28,-130.95)  286.11                80
 11/18/2021   18:43:09   (  -0.26,-128.42) (  -0.37,-127.99)   49.35                80
 11/20/2021   18:30:56   (  -0.26,-128.41) (  -0.96,-125.03)  384.16                80
 11/21/2021   06:55:00   (   0.24,-128.40) (  -0.14,-130.22)  206.69                80