Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2017 8 20.  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)
 08/21/2017   00:36:49   (  -0.34,-135.01) (  -1.03,-138.12)  354.06                80
 08/22/2017   00:25:21   (  -0.34,-135.02) (  -0.40,-135.32)   33.99                80
 08/23/2017   00:16:32   (  -0.34,-135.03) (   0.23,-132.52)  286.03                80
 08/25/2017   12:37:55   (   0.32,-135.11) (   0.93,-137.61)  286.38                80
 08/26/2017   12:23:47   (   0.33,-135.11) (   0.24,-134.83)   33.16                80
 08/27/2017   12:12:19   (   0.33,-135.11) (  -0.39,-132.03)  352.38                80
 08/30/2017   00:34:00   (  -0.31,-135.06) (  -0.83,-137.18)  243.65                80
 08/31/2017   00:25:11   (  -0.31,-135.06) (  -0.18,-134.39)   75.50                80
 09/01/2017   00:13:43   (  -0.31,-135.06) (   0.46,-131.59)  394.47                80
 09/02/2017   12:43:55   (   0.28,-135.12) (   1.31,-139.49)  498.50                80