Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 25.  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)
 10/26/2018   01:28:51   (   0.03,-135.30) (  -0.41,-137.08)  204.30                80
 10/27/2018   01:19:56   (   0.02,-135.27) (   0.27,-134.27)  115.54                80
 10/28/2018   01:08:21   (   0.01,-135.24) (   0.90,-131.43)  435.18                80
 10/29/2018   13:38:31   (  -0.06,-135.30) (   0.90,-139.30)  457.82                80
 10/30/2018   13:26:57   (  -0.05,-135.26) (   0.23,-136.48)  138.94                80
 10/31/2018   13:18:01   (  -0.04,-135.22) (  -0.39,-133.64)  179.73                80
 11/01/2018   13:06:27   (  -0.03,-135.18) (  -1.06,-130.82)  498.32                80
 11/03/2018   01:36:36   (   0.08,-135.02) (  -0.78,-138.68)  418.26                80
 11/04/2018   01:25:00   (   0.07,-134.98) (  -0.16,-135.85)   99.67                80
 11/05/2018   01:16:06   (   0.06,-134.94) (   0.53,-133.03)  218.87                80
 11/07/2018   13:34:42   (  -0.09,-134.94) (   0.65,-138.06)  357.16                80
 11/08/2018   13:23:07   (  -0.08,-134.90) (  -0.03,-135.24)   39.12                80