Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 11 18.  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)
 11/19/2017   12:52:04   (  -0.08,-135.05) (   0.88,-139.23)  477.23                80
 11/20/2017   12:40:34   (  -0.07,-135.08) (   0.21,-136.43)  153.63                80
 11/21/2017   12:31:44   (  -0.07,-135.11) (  -0.41,-133.62)  169.80                80
 11/22/2017   12:20:13   (  -0.06,-135.14) (  -1.03,-130.82)  493.11                80
 11/24/2017   00:50:36   (   0.09,-135.10) (  -0.77,-138.74)  416.51                80
 11/25/2017   00:39:06   (   0.08,-135.12) (  -0.11,-135.94)   93.86                80
 11/26/2017   00:30:17   (   0.08,-135.15) (   0.55,-133.15)  228.66                80
 11/28/2017   12:49:01   (  -0.10,-135.29) (   0.59,-138.24)  336.63                80
 11/29/2017   12:37:30   (  -0.09,-135.31) (  -0.04,-135.43)   14.45                80
 11/30/2017   12:28:41   (  -0.08,-135.33) (  -0.72,-132.64)  307.87                80