Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 9.  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)
 08/09/2020   06:33:39   (   0.02,-128.24) (   0.54,-125.73)  284.65                80
 08/09/2020   18:54:55   (  -0.02,-128.22) (   0.53,-130.90)  304.02                80
 08/11/2020   18:45:23   (  -0.02,-128.16) (  -0.04,-127.92)   26.50                80
 08/13/2020   18:33:12   (  -0.02,-128.10) (  -0.67,-124.97)  356.09                80
 08/14/2020   06:54:36   (   0.01,-128.10) (  -0.46,-130.15)  234.56                80
 08/16/2020   06:39:45   (   0.02,-128.03) (   0.18,-127.19)   94.10                80
 08/16/2020   19:01:00   (  -0.01,-127.99) (   0.95,-132.34)  495.97                80
 08/18/2020   06:27:34   (   0.02,-127.95) (   0.81,-124.24)  422.08                80
 08/18/2020   18:48:49   (  -0.02,-127.91) (   0.31,-129.39)  168.01                80
 08/20/2020   18:39:18   (  -0.03,-127.83) (  -0.32,-126.43)  159.59                80
 08/21/2020   07:00:42   (   0.02,-127.83) (  -0.80,-131.62)  430.64                80
 08/22/2020   18:27:07   (  -0.03,-127.75) (  -0.96,-123.47)  486.91                80