Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 9 3.  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)
 09/04/2018   01:28:17   (  -0.29,-134.95) (  -1.18,-138.66)  424.39                80
 09/05/2018   01:16:43   (  -0.29,-134.99) (  -0.48,-135.85)   97.60                80
 09/06/2018   01:07:49   (  -0.30,-135.03) (   0.17,-133.03)  228.95                80
 09/08/2018   13:26:18   (   0.26,-135.20) (   0.89,-138.06)  325.71                80
 09/09/2018   13:17:23   (   0.26,-135.23) (   0.25,-135.23)    1.74                80
 09/10/2018   13:05:49   (   0.27,-135.27) (  -0.40,-132.41)  326.63                80
 09/13/2018   01:24:35   (  -0.23,-135.27) (  -0.74,-137.50)  253.67                80
 09/14/2018   01:15:41   (  -0.24,-135.31) (  -0.08,-134.68)   72.38                80
 09/15/2018   01:04:06   (  -0.25,-135.34) (   0.57,-131.85)  398.40                80
 09/16/2018   13:34:09   (   0.20,-135.47) (   1.20,-139.69)  482.94                80
 09/17/2018   13:22:34   (   0.21,-135.49) (   0.55,-136.87)  157.60                80