Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 12 14.  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)
 12/15/2017   12:54:18   (  -0.11,-135.44) (   0.74,-139.00)  407.65                80
 12/16/2017   12:42:48   (  -0.10,-135.44) (   0.10,-136.20)   87.67                80
 12/17/2017   12:33:57   (  -0.10,-135.43) (  -0.54,-133.39)  232.23                80
 12/20/2017   00:55:34   (   0.10,-135.36) (  -0.61,-138.53)  361.60                80
 12/21/2017   00:44:04   (   0.09,-135.35) (   0.02,-135.73)   42.52                80
 12/22/2017   00:29:53   (   0.09,-135.34) (   0.66,-132.92)  276.48                80
 12/24/2017   12:51:10   (  -0.10,-135.36) (   0.54,-137.97)  299.04                80
 12/25/2017   12:42:20   (  -0.09,-135.35) (  -0.11,-135.17)   19.88                80
 12/26/2017   12:30:49   (  -0.09,-135.33) (  -0.75,-132.36)  338.23                80