Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 8 10.  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)
 08/11/2019   18:30:41   (   0.06,-128.41) (  -0.69,-124.98)  390.49                80
 08/12/2019   06:54:43   (  -0.10,-128.41) (  -0.50,-130.16)  198.80                80
 08/14/2019   06:39:53   (  -0.09,-128.43) (   0.17,-127.21)  138.67                80
 08/14/2019   19:03:48   (   0.13,-128.43) (   0.97,-132.36)  446.47                80
 08/16/2019   06:27:43   (  -0.08,-128.44) (   0.78,-124.25)  476.00                80
 08/16/2019   18:51:38   (   0.12,-128.44) (   0.30,-129.41)  109.14                80
 08/18/2019   18:36:47   (   0.11,-128.45) (  -0.31,-126.45)  227.96                80
 08/19/2019   07:00:51   (  -0.15,-128.46) (  -0.81,-131.63)  360.80                80
 08/21/2019   06:48:40   (  -0.14,-128.46) (  -0.20,-128.68)   24.27                80
 08/23/2019   06:33:49   (  -0.13,-128.46) (   0.42,-125.72)  311.61                80
 08/23/2019   18:57:45   (   0.17,-128.45) (   0.66,-130.88)  274.75                80