Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 12.  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)
 11/12/2021   07:01:10   (   0.27,-128.44) (  -0.43,-131.72)  372.88                80
 11/14/2021   06:48:58   (   0.27,-128.43) (   0.21,-128.76)   37.03                80
 11/16/2021   06:34:07   (   0.27,-128.43) (   0.85,-125.80)  298.67                80
 11/16/2021   18:58:01   (  -0.25,-128.43) (   0.26,-130.96)  286.71                80
 11/18/2021   18:43:08   (  -0.26,-128.42) (  -0.32,-127.99)   48.53                80
 11/20/2021   18:30:56   (  -0.25,-128.40) (  -0.97,-125.03)  383.00                80
 11/21/2021   06:55:00   (   0.24,-128.38) (  -0.14,-130.22)  208.31                80
 11/23/2021   06:40:07   (   0.24,-128.36) (   0.46,-127.25)  125.49                80
 11/23/2021   19:04:02   (  -0.22,-128.36) (   0.65,-132.40)  460.59                80
 11/25/2021   06:27:55   (   0.23,-128.33) (   1.11,-124.30)  458.81                80
 11/25/2021   18:51:50   (  -0.22,-128.32) (  -0.00,-129.45)  127.37                80