Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 16.  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)
 08/16/2020   06:39:47   (   0.01,-128.03) (   0.17,-127.20)   93.95                80
 08/16/2020   19:01:03   (  -0.00,-128.00) (   0.92,-132.36)  495.66                80
 08/18/2020   06:27:37   (   0.01,-127.96) (   0.79,-124.25)  421.76                80
 08/18/2020   18:48:53   (  -0.01,-127.93) (   0.30,-129.40)  167.91                80
 08/20/2020   18:39:23   (  -0.01,-127.85) (  -0.30,-126.45)  159.38                80
 08/21/2020   07:00:47   (   0.01,-127.85) (  -0.80,-131.64)  431.51                80
 08/22/2020   18:27:14   (  -0.02,-127.77) (  -0.94,-123.50)  486.21                80
 08/23/2020   06:48:38   (   0.01,-127.77) (  -0.22,-128.68)  104.90                80
 08/25/2020   06:33:49   (   0.01,-127.68) (   0.41,-125.73)  221.18                80
 08/25/2020   18:55:04   (  -0.01,-127.64) (   0.70,-130.89)  369.61                80
 08/27/2020   18:42:55   (  -0.01,-127.55) (   0.09,-127.93)   44.42                80
 08/29/2020   18:33:27   (  -0.01,-127.45) (  -0.56,-124.99)  280.31                80