Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 2 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)
 02/01/2021   06:36:27   (   0.04,-127.52) (   0.42,-125.71)  205.72                80
 02/01/2021   18:55:02   (  -0.08,-127.55) (   0.65,-130.87)  378.16                80
 02/03/2021   18:42:50   (  -0.07,-127.47) (   0.04,-127.91)   50.37                80
 02/05/2021   18:33:18   (  -0.07,-127.39) (  -0.57,-124.95)  276.68                80
 02/06/2021   06:52:03   (   0.11,-127.31) (  -0.48,-130.15)  322.87                80
 02/08/2021   06:42:31   (   0.11,-127.22) (   0.13,-127.19)    3.58                80
 02/10/2021   06:30:19   (   0.10,-127.13) (   0.74,-124.23)  329.60                80
 02/10/2021   18:48:55   (  -0.14,-127.16) (   0.32,-129.40)  254.39                80
 02/12/2021   18:39:23   (  -0.14,-127.06) (  -0.30,-126.44)   71.79                80
 02/14/2021   18:27:10   (  -0.13,-126.97) (  -0.86,-123.47)  397.93                80