Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 11 30.  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)
 12/01/2018   01:13:06   (   0.14,-128.40) (  -0.64,-131.81)  389.31                80
 12/02/2018   01:01:30   (   0.14,-128.42) (  -0.01,-128.98)   64.40                80
 12/03/2018   00:52:36   (   0.13,-128.44) (   0.69,-126.16)  260.49                80
 12/05/2018   13:11:09   (  -0.15,-128.61) (   0.47,-131.19)  295.50                80
 12/06/2018   13:02:13   (  -0.14,-128.62) (  -0.18,-128.36)   29.32                80
 12/07/2018   12:50:38   (  -0.13,-128.64) (  -0.83,-125.53)  353.90                80
 12/10/2018   01:09:14   (   0.14,-128.54) (  -0.34,-130.57)  232.20                80
 12/11/2018   01:00:19   (   0.14,-128.55) (   0.30,-127.74)   91.86                80
 12/12/2018   00:48:44   (   0.13,-128.56) (   1.00,-124.92)  415.76                80
 12/13/2018   13:18:51   (  -0.15,-128.69) (   0.79,-132.78)  465.83                80
 12/14/2018   13:07:15   (  -0.14,-128.70) (   0.13,-129.95)  141.83                80