Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 12.  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)
 04/12/2019   18:38:47   (  -0.05,-127.74) (  -0.33,-126.46)  145.37                80
 04/13/2019   06:57:31   (   0.06,-127.74) (  -0.78,-131.65)  444.99                80
 04/14/2019   18:26:35   (  -0.06,-127.66) (  -0.97,-123.51)  472.95                80
 04/15/2019   06:45:19   (   0.06,-127.66) (  -0.14,-128.70)  117.48                80
 04/17/2019   06:35:46   (   0.06,-127.58) (   0.44,-125.73)  210.01                80
 04/17/2019   18:54:21   (  -0.06,-127.54) (   0.68,-130.88)  381.05                80
 04/19/2019   18:42:09   (  -0.06,-127.46) (   0.04,-127.93)   53.87                80
 04/21/2019   18:32:37   (  -0.07,-127.37) (  -0.61,-124.98)  272.80                80
 04/22/2019   06:51:21   (   0.07,-127.37) (  -0.50,-130.17)  317.84                80
 04/24/2019   06:41:48   (   0.08,-127.28) (   0.09,-127.20)    8.23                80