Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2020 8 11.  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)
 08/11/2020   18:45:24   (  -0.01,-128.16) (  -0.08,-127.93)   26.72                80
 08/13/2020   18:33:12   (  -0.01,-128.10) (  -0.65,-124.96)  356.41                80
 08/14/2020   06:54:36   (   0.01,-128.10) (  -0.42,-130.16)  234.44                80
 08/16/2020   06:39:46   (   0.01,-128.03) (   0.22,-127.20)   94.28                80
 08/16/2020   19:01:00   (  -0.01,-127.99) (   0.91,-132.35)  495.57                80
 08/18/2020   06:27:34   (   0.02,-127.95) (   0.80,-124.23)  422.26                80
 08/18/2020   18:48:49   (  -0.02,-127.92) (   0.27,-129.40)  167.60                80
 08/20/2020   18:39:17   (  -0.02,-127.84) (  -0.31,-126.43)  160.09                80
 08/21/2020   07:00:41   (   0.02,-127.83) (  -0.81,-131.61)  430.41                80
 08/22/2020   18:27:06   (  -0.03,-127.75) (  -0.95,-123.47)  487.46                80
 08/23/2020   06:48:30   (   0.02,-127.75) (  -0.17,-128.66)  103.17                80