Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 9 9.  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)
 09/10/2018   13:05:48   (   0.27,-135.27) (  -0.38,-132.40)  326.92                80
 09/13/2018   01:24:35   (  -0.23,-135.28) (  -0.76,-137.49)  252.99                80
 09/14/2018   01:15:40   (  -0.24,-135.31) (  -0.11,-134.67)   73.12                80
 09/15/2018   01:04:06   (  -0.25,-135.34) (   0.54,-131.84)  399.14                80
 09/16/2018   13:34:09   (   0.20,-135.47) (   1.16,-139.70)  482.46                80
 09/17/2018   13:22:35   (   0.21,-135.49) (   0.51,-136.87)  157.08                80
 09/18/2018   13:13:40   (   0.22,-135.52) (  -0.14,-134.05)  168.15                80
 09/19/2018   13:02:06   (   0.22,-135.54) (  -0.79,-131.23)  493.25                80
 09/21/2018   01:32:26   (  -0.17,-135.50) (  -1.00,-139.14)  415.25                80
 09/22/2018   01:20:52   (  -0.18,-135.52) (  -0.34,-136.32)   90.18                80
 09/23/2018   01:11:56   (  -0.18,-135.54) (   0.27,-133.48)  234.81                80