Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 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)
 10/21/2018   13:30:44   (  -0.01,-135.51) (   0.51,-137.70)  250.33                80
 10/22/2018   13:21:50   (  -0.01,-135.49) (  -0.16,-134.88)   69.96                80
 10/23/2018   13:10:15   (   0.01,-135.47) (  -0.77,-132.05)  390.16                80
 10/26/2018   01:28:51   (   0.03,-135.30) (  -0.37,-137.09)  204.87                80
 10/27/2018   01:19:56   (   0.02,-135.27) (   0.25,-134.26)  114.77                80
 10/28/2018   01:08:20   (   0.01,-135.24) (   0.88,-131.43)  434.25                80
 10/29/2018   13:38:32   (  -0.06,-135.29) (   0.86,-139.31)  458.85                80
 10/30/2018   13:26:56   (  -0.05,-135.25) (   0.24,-136.48)  140.10                80
 10/31/2018   13:18:01   (  -0.04,-135.21) (  -0.38,-133.64)  178.44                80
 11/01/2018   13:06:26   (  -0.03,-135.17) (  -1.05,-130.82)  496.90                80
 11/03/2018   01:36:36   (   0.08,-135.00) (  -0.78,-138.68)  419.96                80
 11/04/2018   01:25:00   (   0.07,-134.96) (  -0.15,-135.85)  101.50                80