Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2015 8 21.  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)
 08/22/2015   10:59:07   (   0.39,-134.75) (  -0.44,-131.11)  415.82                80
 08/24/2015   23:21:18   (  -0.38,-134.67) (  -0.77,-136.42)  199.91                80
 08/25/2015   23:12:44   (  -0.38,-134.63) (  -0.15,-133.69)  107.61                80
 08/26/2015   23:01:29   (  -0.38,-134.60) (   0.46,-130.96)  415.03                80
 08/29/2015   11:20:56   (   0.36,-134.51) (   0.74,-136.26)  199.05                80
 08/30/2015   11:12:22   (   0.36,-134.47) (   0.13,-133.52)  107.73                80
 08/31/2015   11:01:07   (   0.36,-134.42) (  -0.48,-130.79)  414.38                80
 09/02/2015   23:20:35   (  -0.35,-134.30) (  -0.76,-136.09)  204.55                80
 09/03/2015   23:12:00   (  -0.35,-134.25) (  -0.14,-133.36)  101.87                80