Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 12 18.  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)
 12/18/2019   06:54:55   (   0.10,-127.95) (  -0.38,-130.17)  252.96                80
 12/20/2019   06:40:03   (   0.10,-127.95) (   0.23,-127.21)   82.87                80
 12/22/2019   06:27:52   (   0.10,-127.94) (   0.90,-124.27)  418.23                80
 12/22/2019   18:51:47   (  -0.09,-127.89) (   0.22,-129.42)  172.87                80
 12/24/2019   18:36:55   (  -0.09,-127.88) (  -0.40,-126.46)  161.95                80
 12/25/2019   07:00:59   (   0.08,-127.92) (  -0.71,-131.65)  423.55                80
 12/26/2019   18:24:43   (  -0.09,-127.86) (  -1.02,-123.50)  496.37                80
 12/27/2019   06:48:47   (   0.08,-127.90) (  -0.09,-128.69)   89.23                80
 12/29/2019   06:33:55   (   0.07,-127.88) (   0.54,-125.73)  244.91                80
 12/29/2019   18:57:50   (  -0.06,-127.83) (   0.58,-130.88)  346.82                80
 12/31/2019   18:45:38   (  -0.06,-127.81) (  -0.05,-127.92)   12.89                80