Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 1.  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)
 11/02/2021   18:43:16   (  -0.31,-128.44) (  -0.43,-128.03)   47.00                80
 11/04/2021   18:31:04   (  -0.31,-128.45) (  -1.04,-125.07)  384.54                80
 11/05/2021   06:55:08   (   0.31,-128.44) (  -0.07,-130.26)  206.36                80
 11/07/2021   06:40:16   (   0.30,-128.44) (   0.54,-127.30)  130.25                80
 11/07/2021   19:04:11   (  -0.29,-128.45) (   0.57,-132.45)  454.97                80
 11/09/2021   06:28:04   (   0.30,-128.44) (   1.16,-124.34)  466.24                80
 11/09/2021   18:51:59   (  -0.29,-128.45) (  -0.05,-129.49)  119.06                80
 11/11/2021   18:37:07   (  -0.28,-128.44) (  -0.68,-126.53)  216.73                80
 11/12/2021   07:01:11   (   0.27,-128.43) (  -0.43,-131.72)  374.26                80
 11/14/2021   06:48:59   (   0.27,-128.42) (   0.20,-128.76)   38.46                80