Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 10 27.  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)
 10/28/2018   01:08:20   (   0.01,-135.24) (   0.88,-131.43)  435.42                80
 10/29/2018   13:38:32   (  -0.06,-135.30) (   0.86,-139.31)  457.64                80
 10/30/2018   13:26:56   (  -0.05,-135.26) (   0.25,-136.47)  138.67                80
 10/31/2018   13:18:02   (  -0.04,-135.22) (  -0.43,-133.65)  180.10                80
 11/01/2018   13:06:26   (  -0.03,-135.19) (  -1.04,-130.82)  498.77                80
 11/03/2018   01:36:37   (   0.08,-135.02) (  -0.74,-138.69)  417.48                80
 11/04/2018   01:25:01   (   0.07,-134.99) (  -0.12,-135.85)   98.75                80
 11/05/2018   01:16:06   (   0.06,-134.95) (   0.51,-133.02)  219.86                80
 11/07/2018   13:34:42   (  -0.09,-134.95) (   0.61,-138.07)  356.03                80
 11/08/2018   13:23:07   (  -0.08,-134.91) (  -0.01,-135.24)   37.82                80
 11/09/2018   13:14:11   (  -0.07,-134.86) (  -0.64,-132.41)  280.19                80