Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 9.  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)
 10/10/2018   01:15:58   (  -0.08,-135.56) (   0.30,-133.89)  191.12                80
 10/12/2018   13:34:30   (   0.04,-135.65) (   0.81,-138.92)  373.96                80
 10/13/2018   13:22:55   (   0.05,-135.64) (   0.15,-136.10)   52.26                80
 10/14/2018   13:14:00   (   0.06,-135.63) (  -0.47,-133.26)  269.26                80
 10/17/2018   01:32:39   (  -0.02,-135.49) (  -0.67,-138.32)  323.18                80
 10/18/2018   01:21:03   (  -0.03,-135.47) (  -0.04,-135.49)    1.96                80
 10/19/2018   01:12:08   (  -0.03,-135.46) (   0.60,-132.66)  319.33                80
 10/21/2018   13:30:42   (  -0.01,-135.52) (   0.51,-137.70)  249.24                80
 10/22/2018   13:21:47   (  -0.00,-135.50) (  -0.17,-134.88)   71.45                80