Simultaneous Nadir Overpasses (SNOs) between GOES-15 and LANDSAT-8
TLE Epoch: 2019 4 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)
 04/12/2019   18:38:47   (  -0.05,-127.74) (  -0.34,-126.46)  145.27                80
 04/13/2019   06:57:31   (   0.06,-127.74) (  -0.77,-131.65)  445.03                80
 04/14/2019   18:26:34   (  -0.06,-127.66) (  -0.92,-123.49)  472.77                80
 04/15/2019   06:45:18   (   0.06,-127.66) (  -0.19,-128.69)  117.60                80
 04/17/2019   06:35:46   (   0.06,-127.58) (   0.45,-125.73)  209.84                80
 04/17/2019   18:54:21   (  -0.06,-127.53) (   0.66,-130.89)  381.30                80
 04/19/2019   18:42:09   (  -0.06,-127.45) (   0.02,-127.93)   54.23                80
 04/21/2019   18:32:36   (  -0.07,-127.36) (  -0.56,-124.97)  272.40                80
 04/22/2019   06:51:20   (   0.07,-127.36) (  -0.54,-130.16)  318.14                80
 04/24/2019   06:41:48   (   0.08,-127.27) (   0.12,-127.21)    8.29                80