Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 20.  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)
 08/20/2020   18:39:22   (  -0.01,-127.86) (  -0.30,-126.44)  160.75                80
 08/21/2020   07:00:47   (   0.00,-127.86) (  -0.79,-131.64)  429.89                80
 08/22/2020   18:27:12   (  -0.01,-127.79) (  -0.90,-123.49)  488.31                80
 08/23/2020   06:48:37   (   0.00,-127.78) (  -0.19,-128.68)  102.51                80
 08/25/2020   06:33:47   (   0.01,-127.70) (   0.40,-125.72)  224.26                80
 08/25/2020   18:55:03   (   0.00,-127.66) (   0.70,-130.88)  366.40                80
 08/27/2020   18:42:54   (   0.00,-127.57) (   0.06,-127.93)   40.46                80
 08/29/2020   18:33:24   (   0.00,-127.48) (  -0.51,-124.97)  285.13                80
 08/30/2020   06:54:49   (  -0.01,-127.48) (  -0.59,-130.16)  305.52                80
 09/01/2020   06:40:00   (  -0.00,-127.39) (   0.03,-127.21)   19.65                80