Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 12 1.  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)
 12/02/2018   01:01:30   (   0.14,-128.42) (  -0.00,-128.98)   64.37                80
 12/03/2018   00:52:35   (   0.13,-128.44) (   0.63,-126.15)  260.48                80
 12/05/2018   13:11:09   (  -0.15,-128.60) (   0.46,-131.19)  295.72                80
 12/06/2018   13:02:13   (  -0.14,-128.62) (  -0.19,-128.36)   28.99                80
 12/07/2018   12:50:38   (  -0.13,-128.63) (  -0.84,-125.53)  353.59                80
 12/10/2018   01:09:15   (   0.14,-128.54) (  -0.33,-130.58)  232.44                80
 12/11/2018   01:00:19   (   0.14,-128.55) (   0.31,-127.74)   91.56                80
 12/12/2018   00:48:44   (   0.13,-128.56) (   0.95,-124.91)  415.46                80
 12/13/2018   13:18:51   (  -0.15,-128.69) (   0.78,-132.78)  466.32                80
 12/14/2018   13:07:15   (  -0.14,-128.70) (   0.12,-129.95)  142.37                80
 12/15/2018   12:58:19   (  -0.14,-128.70) (  -0.48,-127.11)  181.51                80