Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 11 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 11/23/2018   01:05:20   (   0.13,-128.22) (  -0.36,-130.21)  227.60                80
 11/24/2018   00:56:26   (   0.12,-128.25) (   0.33,-127.39)   98.04                80
 11/25/2018   00:44:50   (   0.11,-128.27) (   0.96,-124.56)  423.46                80
 11/26/2018   13:15:01   (  -0.14,-128.44) (   0.77,-132.44)  456.45                80
 11/27/2018   13:03:26   (  -0.13,-128.46) (   0.13,-129.61)  131.33                80
 11/28/2018   12:54:30   (  -0.12,-128.47) (  -0.52,-126.78)  193.63                80
 12/01/2018   01:13:05   (   0.14,-128.38) (  -0.67,-131.81)  391.73                80
 12/02/2018   01:01:31   (   0.14,-128.40) (   0.02,-128.99)   67.10                80
 12/03/2018   00:52:35   (   0.13,-128.41) (   0.66,-126.16)  257.56                80
 12/05/2018   13:11:09   (  -0.15,-128.59) (   0.45,-131.20)  298.16                80