Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 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)
 11/21/2017   12:31:44   (  -0.07,-135.11) (  -0.44,-133.63)  169.75                80
 11/22/2017   12:20:14   (  -0.06,-135.14) (  -1.06,-130.82)  492.98                80
 11/24/2017   00:50:36   (   0.09,-135.09) (  -0.75,-138.75)  416.74                80
 11/25/2017   00:39:07   (   0.08,-135.12) (  -0.09,-135.95)   94.18                80
 11/26/2017   00:30:16   (   0.08,-135.14) (   0.52,-133.14)  228.34                80
 11/28/2017   12:49:01   (  -0.10,-135.28) (   0.56,-138.24)  337.05                80
 11/29/2017   12:37:31   (  -0.09,-135.30) (  -0.07,-135.43)   14.73                80
 11/30/2017   12:28:40   (  -0.08,-135.32) (  -0.70,-132.63)  307.38                80
 12/03/2017   00:47:34   (   0.10,-135.28) (  -0.48,-137.75)  282.74                80
 12/04/2017   00:38:44   (   0.09,-135.29) (   0.19,-134.96)   38.45                80