Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 11 23.  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)
 11/23/2021   06:40:11   (   0.24,-128.33) (   0.47,-127.27)  120.18                80
 11/23/2021   19:04:06   (  -0.22,-128.34) (   0.66,-132.42)  464.10                80
 11/25/2021   06:28:01   (   0.23,-128.29) (   1.10,-124.32)  452.22                80
 11/25/2021   18:51:55   (  -0.22,-128.30) (   0.03,-129.47)  132.13                80
 11/27/2021   18:37:04   (  -0.22,-128.26) (  -0.60,-126.51)  199.49                80
 11/28/2021   07:01:08   (   0.20,-128.23) (  -0.53,-131.70)  394.38                80
 11/30/2021   06:48:57   (   0.20,-128.18) (   0.11,-128.74)   63.36                80
 12/02/2021   06:34:05   (   0.20,-128.13) (   0.68,-125.78)  267.07                80
 12/02/2021   18:58:01   (  -0.19,-128.14) (   0.39,-130.94)  318.04                80
 12/04/2021   18:45:49   (  -0.19,-128.08) (  -0.19,-127.97)   11.43                80
 12/06/2021   18:30:58   (  -0.18,-128.01) (  -0.84,-125.02)  340.07                80