Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 1 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)
 01/19/2018   12:53:09   (  -0.06,-134.72) (   0.63,-137.63)  332.60                80
 01/20/2018   12:41:39   (  -0.05,-134.76) (  -0.03,-134.83)    7.59                80
 01/21/2018   12:32:48   (  -0.05,-134.81) (  -0.69,-132.02)  317.54                80
 01/24/2018   00:54:20   (   0.05,-134.88) (  -0.46,-137.14)  258.22                80
 01/25/2018   00:40:09   (   0.05,-134.92) (   0.17,-134.33)   66.28                80
 01/26/2018   00:28:38   (   0.05,-134.95) (   0.85,-131.53)  390.55                80
 01/27/2018   13:01:29   (  -0.04,-135.03) (   0.99,-139.40)  499.81                80
 01/28/2018   12:49:59   (  -0.04,-135.06) (   0.32,-136.60)  176.11                80
 01/29/2018   12:41:09   (  -0.04,-135.09) (  -0.35,-133.80)  147.45                80
 01/30/2018   12:29:38   (  -0.03,-135.12) (  -1.02,-131.00)  470.87                80
 02/01/2018   01:02:37   (   0.02,-135.13) (  -0.83,-138.90)  430.23                80