Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 10 30.  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)
 10/31/2021   06:34:12   (   0.32,-128.40) (   0.89,-125.83)  292.93                80
 10/31/2021   18:58:07   (  -0.31,-128.42) (   0.23,-130.98)  291.46                80
 11/02/2021   18:43:15   (  -0.32,-128.44) (  -0.38,-128.02)   46.58                80
 11/04/2021   18:31:04   (  -0.32,-128.44) (  -1.06,-125.07)  383.87                80
 11/05/2021   06:55:08   (   0.31,-128.43) (  -0.06,-130.26)  207.32                80
 11/07/2021   06:40:16   (   0.31,-128.43) (   0.57,-127.30)  129.02                80
 11/07/2021   19:04:11   (  -0.29,-128.44) (   0.55,-132.45)  456.11                80
 11/09/2021   06:28:04   (   0.30,-128.42) (   1.20,-124.34)  464.71                80
 11/09/2021   18:51:59   (  -0.29,-128.43) (  -0.08,-129.49)  120.50                80
 11/11/2021   18:37:06   (  -0.28,-128.42) (  -0.66,-126.52)  215.03                80
 11/12/2021   07:01:10   (   0.27,-128.41) (  -0.45,-131.71)  376.20                80