Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 8.  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   (   0.30,-128.45) (   1.15,-124.34)  467.58                80
 11/09/2021   18:51:59   (  -0.29,-128.45) (  -0.04,-129.49)  117.94                80
 11/11/2021   18:37:07   (  -0.28,-128.45) (  -0.67,-126.53)  218.25                80
 11/12/2021   07:01:10   (   0.27,-128.44) (  -0.44,-131.72)  372.37                80
 11/14/2021   06:48:58   (   0.27,-128.44) (   0.20,-128.76)   36.18                80
 11/16/2021   06:34:06   (   0.27,-128.44) (   0.85,-125.80)  299.84                80
 11/16/2021   18:58:01   (  -0.26,-128.44) (   0.26,-130.95)  285.86                80
 11/18/2021   18:43:08   (  -0.26,-128.43) (  -0.33,-127.99)   49.71                80
 11/20/2021   18:30:56   (  -0.26,-128.41) (  -0.99,-125.03)  384.59                80
 11/21/2021   06:54:59   (   0.24,-128.40) (  -0.17,-130.21)  206.23                80