Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2012 12 15.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19)   NOAA-19 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/22/2012   09:56:28   ( -80.82, 160.41) ( -80.82, 160.32)    1.71                67
 12/22/2012   10:47:35   (  80.82, -32.32) (  80.82, -32.27)    0.86                45
 12/22/2012   11:38:31   ( -80.79, 135.56) ( -80.79, 135.61)    0.84                32
 12/22/2012   12:29:35   (  80.74, -56.10) (  80.74, -56.28)    3.17                11
 12/22/2012   13:20:32   ( -80.72, 111.41) ( -80.73, 111.24)    3.18                 2
 12/22/2012   14:11:38   (  80.70, -80.96) (  80.70, -81.00)    0.66                24
 12/22/2012   15:02:35   ( -80.69,  86.55) ( -80.69,  86.51)    0.62                37
 12/22/2012   15:53:42   (  80.69,-106.17) (  80.68,-106.07)    1.89                59