Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 3 28.  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)
 03/29/2018   13:01:28   (   0.07,-134.66) (   0.72,-137.45)  319.03                80
 03/30/2018   12:52:37   (   0.07,-134.70) (   0.03,-134.65)    7.47                80
 03/31/2018   12:41:04   (   0.07,-134.75) (  -0.60,-131.83)  332.97                80
 04/03/2018   01:02:32   (  -0.07,-134.85) (  -0.53,-136.93)  237.20                80
 04/04/2018   00:48:19   (  -0.07,-134.89) (   0.09,-134.11)   88.19                80
 04/05/2018   00:36:48   (  -0.07,-134.93) (   0.76,-131.31)  413.35                80
 04/06/2018   13:09:38   (   0.06,-134.99) (   1.01,-139.18)  478.00                80
 04/07/2018   12:58:06   (   0.07,-135.03) (   0.37,-136.37)  152.92                80
 04/08/2018   12:49:13   (   0.07,-135.06) (  -0.26,-133.55)  172.05                80
 04/09/2018   12:37:42   (   0.07,-135.10) (  -0.96,-130.75)  496.90                80
 04/11/2018   01:08:02   (  -0.07,-135.14) (  -0.90,-138.65)  401.31                80