Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 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)
 10/21/2018   13:30:44   (  -0.01,-135.51) (   0.52,-137.70)  250.32                80
 10/22/2018   13:21:50   (  -0.00,-135.49) (  -0.14,-134.88)   69.95                80
 10/23/2018   13:10:15   (   0.01,-135.47) (  -0.81,-132.06)  390.15                80
 10/26/2018   01:28:51   (   0.03,-135.30) (  -0.39,-137.09)  204.95                80
 10/27/2018   01:19:56   (   0.02,-135.27) (   0.24,-134.26)  114.68                80
 10/28/2018   01:08:20   (   0.01,-135.23) (   0.86,-131.43)  434.12                80
 10/29/2018   13:38:31   (  -0.06,-135.28) (   0.87,-139.31)  459.05                80
 10/30/2018   13:26:56   (  -0.04,-135.25) (   0.26,-136.47)  140.34                80
 10/31/2018   13:18:01   (  -0.04,-135.21) (  -0.42,-133.65)  178.17                80
 11/01/2018   13:06:26   (  -0.03,-135.17) (  -1.04,-130.82)  496.61                80
 11/03/2018   01:36:35   (   0.08,-135.00) (  -0.80,-138.67)  420.26                80