Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 9 14.  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)
 09/15/2019   06:42:47   (   0.28,-128.08) (   0.43,-127.27)   92.06                80
 09/15/2019   19:01:23   (  -0.29,-128.10) (   0.66,-132.43)  492.81                80
 09/17/2019   06:30:37   (   0.27,-128.03) (   1.07,-124.32)  422.13                80
 09/17/2019   18:49:13   (  -0.29,-128.04) (   0.02,-129.47)  162.72                80
 09/19/2019   18:39:43   (  -0.29,-127.98) (  -0.61,-126.52)  166.57                80
 09/20/2019   06:58:27   (   0.30,-127.94) (  -0.52,-131.71)  429.00                80
 09/21/2019   18:27:33   (  -0.28,-127.92) (  -1.23,-123.57)  495.08                80
 09/22/2019   06:46:17   (   0.29,-127.87) (   0.10,-128.75)  100.81                80
 09/24/2019   06:36:47   (   0.29,-127.79) (   0.72,-125.80)  226.55                80
 09/24/2019   18:55:22   (  -0.30,-127.79) (   0.39,-130.96)  360.12                80
 09/26/2019   18:43:12   (  -0.30,-127.71) (  -0.22,-128.00)   33.33                80