Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2011 12 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)
 12/18/2011   22:25:27   (   0.03,-138.06) (   0.97,-133.88)  476.03                80
 12/20/2011   11:02:33   (  -0.04,-138.98) (   0.68,-142.24)  371.31                80
 12/21/2011   10:52:03   (  -0.04,-139.67) (  -0.01,-139.72)    5.97                80
 12/22/2011   10:38:53   (  -0.03,-140.36) (  -0.75,-137.21)  359.72                80
 12/23/2011   23:13:30   (   0.04,-141.57) (  -0.88,-145.61)  460.76                80
 12/24/2011   23:03:01   (   0.03,-142.27) (  -0.15,-143.10)   94.91                80
 12/25/2011   22:55:12   (   0.03,-142.97) (   0.58,-140.60)  270.86                80
 12/28/2011   11:19:05   (  -0.04,-144.59) (   0.36,-146.42)  209.08                80
 12/29/2011   11:05:55   (  -0.03,-145.27) (  -0.34,-143.91)  155.54                80
 12/31/2011   23:30:04   (   0.04,-147.14) (  -0.56,-149.80)  304.14                80