Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2021 1 29.  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)
 01/29/2021   18:27:15   (  -0.01,-127.65) (  -0.92,-123.48)  475.75                80
 01/30/2021   06:45:58   (   0.05,-127.59) (  -0.19,-128.67)  122.47                80
 02/01/2021   06:36:26   (   0.04,-127.52) (   0.41,-125.71)  205.68                80
 02/01/2021   18:55:02   (  -0.08,-127.54) (   0.66,-130.87)  378.58                80
 02/03/2021   18:42:50   (  -0.07,-127.46) (   0.05,-127.91)   51.06                80
 02/05/2021   18:33:18   (  -0.07,-127.38) (  -0.56,-124.95)  275.79                80
 02/06/2021   06:52:03   (   0.11,-127.31) (  -0.49,-130.15)  323.47                80
 02/08/2021   06:42:31   (   0.11,-127.21) (   0.12,-127.19)    2.64                80
 02/10/2021   06:30:19   (   0.10,-127.12) (   0.74,-124.23)  328.52                80
 02/10/2021   18:48:55   (  -0.14,-127.14) (   0.33,-129.40)  255.92                80