Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 17.  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)
 08/18/2017   12:15:06   (   0.36,-135.04) (  -0.11,-132.94)  238.55                80
 08/21/2017   00:36:49   (  -0.34,-135.01) (  -1.04,-138.12)  353.97                80
 08/22/2017   00:25:20   (  -0.34,-135.02) (  -0.40,-135.32)   33.80                80
 08/23/2017   00:16:32   (  -0.34,-135.03) (   0.23,-132.52)  286.30                80
 08/25/2017   12:37:55   (   0.32,-135.11) (   0.93,-137.61)  285.75                80
 08/26/2017   12:23:47   (   0.33,-135.12) (   0.23,-134.83)   33.92                80
 08/27/2017   12:12:19   (   0.33,-135.12) (  -0.40,-132.03)  353.20                80
 08/30/2017   00:34:00   (  -0.31,-135.06) (  -0.81,-137.19)  242.67                80
 08/31/2017   00:25:11   (  -0.31,-135.07) (  -0.16,-134.39)   76.51                80