Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 11 20.  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   01:05:21   (   0.13,-128.22) (  -0.31,-130.22)  227.70                80
 11/24/2018   00:56:25   (   0.12,-128.24) (   0.32,-127.39)   97.87                80
 11/25/2018   00:44:50   (   0.11,-128.27) (   0.95,-124.55)  423.26                80
 11/26/2018   13:15:01   (  -0.14,-128.43) (   0.79,-132.44)  456.76                80
 11/27/2018   13:03:26   (  -0.13,-128.45) (   0.14,-129.61)  131.69                80
 11/28/2018   12:54:30   (  -0.12,-128.47) (  -0.50,-126.78)  193.22                80
 12/01/2018   01:13:06   (   0.14,-128.38) (  -0.63,-131.82)  392.24                80
 12/02/2018   01:01:31   (   0.14,-128.39) (   0.01,-128.99)   67.61                80
 12/03/2018   00:52:35   (   0.13,-128.41) (   0.64,-126.16)  256.96                80