Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 12 3.  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)
 12/04/2021   18:45:49   (  -0.19,-128.11) (  -0.19,-127.97)   15.05                80
 12/06/2021   18:30:58   (  -0.18,-128.05) (  -0.84,-125.02)  344.44                80
 12/07/2021   06:55:01   (   0.17,-128.01) (  -0.28,-130.21)  249.74                80
 12/09/2021   06:40:10   (   0.16,-127.95) (   0.32,-127.25)   79.79                80
 12/11/2021   06:27:58   (   0.16,-127.89) (   0.92,-124.28)  409.40                80
 12/11/2021   18:51:52   (  -0.14,-127.89) (   0.21,-129.43)  175.92                80
 12/13/2021   18:37:01   (  -0.15,-127.83) (  -0.46,-126.48)  153.56                80
 12/14/2021   07:01:04   (   0.13,-127.79) (  -0.71,-131.66)  440.47                80
 12/15/2021   18:24:49   (  -0.15,-127.76) (  -1.07,-123.52)  482.55                80
 12/16/2021   06:48:52   (   0.13,-127.72) (  -0.10,-128.70)  111.63                80