Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2013 4 19.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19)   NOAA-19 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/25/2013   11:14:12   ( -80.90, 139.17) ( -80.90, 139.17)    0.13                71
 04/25/2013   12:05:17   (  80.88, -53.06) (  80.88, -53.04)    0.29                50
 04/25/2013   12:56:14   ( -80.87, 114.60) ( -80.87, 114.49)    1.98                37
 04/25/2013   13:47:19   (  80.84, -77.62) (  80.85, -77.72)    1.78                16
 04/25/2013   14:38:18   ( -80.86,  89.31) ( -80.85,  89.45)    2.56                 2
 04/25/2013   15:29:23   (  80.83,-102.91) (  80.83,-102.76)    2.71                19
 04/25/2013   16:20:20   ( -80.82,  64.73) ( -80.82,  64.76)    0.55                32
 04/25/2013   17:11:25   (  80.79,-127.49) (  80.79,-127.45)    0.66                53